Showing posts with label fat loss. Show all posts
Showing posts with label fat loss. Show all posts

Tuesday, November 27, 2012

What's Best for Losing Belly Fat: Aerobic or Anaerobic Training?

Lose belly fat fast and improve your health by doing strength training and high-intensity intervals. Compelling research shows that the BEST way to get rid of the belly fat is to train with hard but short bursts of exercise, a style that taps into the anaerobic energy system more than the aerobic.

There is overwhelming evidence that belly fat loss is best achieved when exercise is with a high, but varied intensity, and a relatively large volume. However, this does not mean you have to spend hours and hours a day killing yourself in the gym. Less than an hour a few days a week can produce dramatic fat loss if you do it right.

This article will tell you why you burn more fat when you favor anaerobic-style training and gives you eight reasons to favor this style of training by lifting weights and doing sprints rather than spending hours on aerobic exercise. This is what we incorporate at our boot camp in North Vancouver.

#1: Burn More Belly Fat with Sprint Intervals
D cranking out Shoulder to Overhead in an interval couplet

A large number of convincing studies show that high-intensity interval training is the best conditioning strategy for losing belly fat. In contrast, one research group that has conducted a number of experiments comparing aerobic and anaerobic training for belly fat loss write, “Disappointingly, aerobic exercise protocols have led to negligible fat loss.”

The reason anaerobic interval training works so much better is that it requires the body to adapt metabolically—your body is forced to burn fat to sustain the level of intensity being asked of it. It also elevates energy use for more than 24 hours post-workout, which has a dramatic effect on belly fat loss.

For example, a 2008 showed that a 6-week program increased the amount of fat burned during exercise by 12 percent and decreased the oxidation of carbohydrates—obviously, a favorable result for losing fat.  More impressive, a 2007 study showed that in as little as 2 weeks, active women who performed interval training experienced a 36 percent increase in the use of fat for fuel during exercise.

Interval training is so effective for fat loss because it taps into different energy pathways than aerobic exercise. Simply, aerobic exercise tends to burn carbohydrates first and activates pathways that are degrading to muscle, whereas high-intensity exercise such as weight lifting and sprinting will burn a greater percentage of fat, enhance the body’s production of enzymes involved in fat breakdown, and activate pathways that lead to muscle development.

The other reason anaerobic intervals are superior for belly fat loss is that they increase excess post-exercise oxygen consumption (EPOC) a huge amount. A 2006 review showed that protocols that are more anaerobic in nature produce higher EPOC values than steady-state aerobic training because the trained muscle cells must rest and restore physiological factors in the cells, which translates to a lot of energy expenditure.

#2: Lose Belly Fat With Sprint Intervals: The Proof
Kate doing a great job on the Overhead Squat...a great core and fat loss exercise.

The following are examples of the superiority of anaerobic interval training for belly fat loss from the research:
•    A 12-week high-intensity interval training program produced a 17 percent decrease in belly fat in overweight young men. Subjects lost 1.5 kg of belly fat and 2 kg of total fat, while building 1 kg of muscle. Fat burning was increased by 13 percent due to the 3-day a week program of 20-minutes of cycling in which the subjects sprinted for 8 seconds and then did 12 seconds of recovery, repeating these intervals for a total of 60 sprints.
•    The same 20-minute cycling interval program produced 2.5 kg of fat loss in young women in 15 weeks, and the majority of the fat loss come from the legs and abdominal area. The sprint intervals were compared to a steady-state aerobic program that produced no fat loss.
•    A 16-week study had trained athletes perform either a sprint interval protocol or steady-state running four days a week. The sprint interval protocol varied each day, but an example of one of the workouts used was 10 intervals of 30-sec sprints with 90 seconds rest. The sprint interval group lost 16 percent or 1 kg of visceral fat as well as 2 kg of total fat, compared to the endurance group that lost no belly fat, but did lose 1.4 kg of lean mass. The belly fat loss appears to be small, but be aware that subjects were lean, trained athletes to begin with and had less belly fat to lose than overweight subjects.
•    An 8-week interval program using both high- and moderate-intensity intervals decreased belly fat by 44 percent in middle-aged men with type 2 diabetes. Subjects increased quad muscle size by 24 percent and improved insulin sensitivity by 58 percent—a dramatic improvement that highlights the other mechanisms involved in belly fat loss (muscle building, insulin health & blood sugar management).

#3: Sprints Take Less Time than Aerobic Exercise
Ardy doing an awesome job on the Front Squat...good form Ardy!

Not only do sprints help you lose MORE belly fat, they help you lose it FASTER and with LESS training time. Repeatedly, studies show that more fat loss is achieved in high-intensity programs that use 20 to 25 minutes of training time than those that use 45 or 50 minutes of aerobic training time.

Scientists write that anaerobic intervals are overwhelmingly preferable to aerobics for producing belly fat loss, and that the estimated optimal dose of aerobic exercise necessary to lose belly fat appears to be 3,780 calories expended per week. This is an enormous volume of exercise that would require 1 hour of moderate intensity aerobic cycling 7 days a week to burn 550 calories a day so that you could lose even a pound a week!

In less than half the time you can get better results with anaerobic training. A 1994 study is indicative of this: Participants did either 20 weeks of aerobic training or 15 weeks of intervals (15 sprints for 30 seconds each) and lost nine times more body fat and 12 percent more visceral belly fat than the aerobic group.

What is so interesting about this study is that the energy cost of the aerobic program over the whole study period was 28,661 calories, whereas for intervals it was less than half, at 13,614 calories. In less time, the interval group lost much more weight—nine times more weight. How do researchers explain it?

Aside from greater fat oxidation and higher EPOC, hormone response plays a major role…

#4: Sprints Improve Hormone Response for More Belly Fat Loss
All smiles from Kate on the Floor Wipers...gotta like the core work on this exercise.

Sprint intervals and anaerobic exercise in general improve your entire endocrine system. Both training modes enhance the cells’ sensitivity to insulin, making anaerobic training a successful treatment for diabetes.

Perhaps most important, anaerobic exercise also elevates growth hormone (GH) —a powerful fat burning hormone that helps restore tissue and build muscle—much more than aerobic training. GH is released by the body in greater quantities in response to physical stress above the lactate threshold, which is the reason heavy, sprints are so effective.

Another hormone called adiponectin that is released from fat tissue during exercise also helps burn fat. Emerging scientific evidence shows that any time you perform forceful muscle contractions, adiponectin is released, and then your body produces a substance called PGC1 that is like a “master switch” that enhances muscle and metabolic functions, thereby burning belly fat. Naturally, anaerobic training is most effective for increasing adiponectin and PGC1 to burn fat since sprints and especially weight lifting require extremely forceful muscle contractions.

#5: Strength Train to Lose Belly Fat
D doing a smashin' job on the Front Squat!  Good job D.

To get a lean, trim your midsection and lose belly fat, you need to strength train with a high volume, using large muscle groups, and short rest periods. This metabolically intense type of training is fantastic for increasing GH and aiding belly fat loss. This doesn’t mean you have to spend hours and hours a day killing yourself in the gym!

You will get results from a resistance training program that includes the following components:
•    Multi-joint lifts such as squats, deadlifts, lunges, split squats, step-ups, chin-ups, and chest presses in every training session. Add isolation exercises only if you have extra time.
•    Train with a higher volume—work up to more than 4 sets per exercise. Shoot for 24 to 32 total sets per training session.
•    Train with a higher intensity—include some training in the 70 to 85 percent of the 1RM range.
•    Include short rest periods (30 to 60 seconds) and always train a “finisher” that requires near maximal effort for more GH response (25 reps of squats or 2 minutes of leg presses, for example).
•    Count tempo for every lift so that you apply a specific amount of tension to the muscles. In general, opt for longer (4 second) eccentric tempos and short or explosive concentric tempos.
•    Shoot for 3 to 4 hours of total training time per week, which includes resistance training and a few short sprint sessions.

#6: Anaerobic Training Produces Less Cortisol For More Belly Fat Loss
Alain doesn't like high cortisol levels so he strength trains ;)

Cortisol is the stress hormone that is elevated when you are under both physical and psychological stress. Research shows cortisol is chronically higher in endurance athletes—one study found that aerobic athletes had significantly higher evidence of cumulative cortisol secretion in their hair than controls.

In addition, cortisol is generally elevated more following aerobic training than anaerobic training. Part of this has to do with the fact that strength training and intervals do elevate cortisol, but they also elevate anabolic hormones such as GH and testosterone that counter the negative effects of cortisol.

If GH and testosterone are not elevated, cortisol overwhelms tissue, having a catabolic effect that leads to gradual muscle loss and fat gain. By doing aerobic training without strength training, you will lose muscle, lower your metabolic rate and gain fat.  Worst of all, high cortisol causes chronic inflammation, which lead to belly fat gain over time—all-around bad news!

#7: Anaerobic Training Is More Fun & Less Boring than Aerobic Exercise
All smiles after a good workout at The Maker's Body Boot Camp

Intervals and strength training take less time and provide much more variety than aerobic training. Not only are you doing many different exercises in a strength training session, but you are pushing yourself to reach new personal bests. When you see how it can transform a fat belly into a lean, cut midsection, you will be that much more motivated to continue!

In addition, although sprint interval training can be mentally challenging, it only requires a short workout and many trainees find intervals less boring than endurance exercise. Plus, most people enjoy feeling powerful and fast from going all out. Get a training partner to help push you through the hard parts and know that by working hard but smart, you will reach your fat loss goal.

#8: Mix It Up with Modified Strongman, Varied Strength Protocols & Sprints
Martine mixes it up by using Misty as additional load...good job Martine!

A few more anaerobic training suggestions include the following:
•    Try modified strongman training: Do sled training, tire flips, and a heavy farmer’s walk to lose belly fat fast.
•    Mix up strength training protocols with circuit training and supersets that use very short rest periods. For example, do supersets with 10 seconds rest when switching from the agonist to the antagonist exercise and 60 seconds between sets. Or, do a “death circuit” of heavy, high volume deadlifts followed by split squats followed by lighter high volume squats with 10 seconds rest between exercises.
•    Try a sprint training workout in which you do 20 second all-out sprints with 10 seconds rest in 4 sets of 4 intervals. Rest 3 to 4 minutes between sets.
•    Try hill or stair running in which you sprint up as fast as possible and jog down—repeat immediately. Do 8 to 16 reps.
•    Try a sprint-endurance workout with six to eight 200-meter sprints (about 30 seconds each) with a 3 to 4 minute recovery.

Charles Poliquin is one of the most accomplished strength coaches in the world. He has designed workouts for Olympic medalists in 17 different sports, world record holders in 10 different sports, and professional athletes in the NBA, NFL, NHL, MLB, and UK Premier League. He has lectured or consulted for a variety of high-profile organizations such as the US Secret Service, Walt Disney Corporation and the World Swimming Congress. More info visit his website at http://www.charlespoliquin.com.

References
Irving, B., Davis, C., et al. Effect of Exercise Training Intensity on Abdominal Visceral Fat and Body Composition. Medicine and Science in Sports and Exercise. 2008. 40(11), 1863-1872.

Boudou, P., Sobnngwi, E., et al. Absence of Exercise-Induced Variations in Adiponectin Levels Despite Decreased abdominal Adiposity and Improved Insulin sensitivity in Type 2 Diabetic Men. European Journal of Endocrinology. 2003. 149(5), 421-424.

Macpherson, R., Hazell, T., et al. Run Sprint Interval Training Improves Aerobic Performance but Not Maximal Cardiac Output. Medicine and Science in Sports and Exercise. 2011. 43(1), 115-121.

Strasser, B., Arvandi, M., et al. Resistance training, Visceral Obesity and Inflammatory Response: A Review of the Evidence. Obesity Reviews. 2012. Published Ahead of Print.

Ismail, I., Keating, S., et al. A Systematic Review and Meta-Analysis of the Effect of Aerobic Vs. Resistance Exercise Training on Visceral Fat. Obesity Reviews. 2012. 13, 68-91.

Heydari, M., Freud, J., et al. The Effect of High-Intensity Intermittent Exercise on Body Composition of Overweight Young Males. Journal of Obesity. 2012. Published Ahead of Print. Boutcher, Stephen. High-Intensity Intermittent Exercise and Fat Loss. Journal of Obesity. 2011. Published Ahead of Print.

Kraemer, W., Volek, J., et al. Influence of Exercise Training on Physiological and Performance Changes with Weight Loss in Men. Medicine and Science in Sports and Exercise. 1999. 31(9), 1320-1329.

Schuenke, M., Mikat, R., et al. Effect of an Acute Period of Resistance Exercise on EPOC Implications for Body Mass Management. 2002. 86, 411-417.

Hottenrott, K., Sebastian, L., et al. Effects of High-Intensity Training and Continuous Endurance Training on Aerobic Capacity and Body Composition in Recreationally Active Runners. Journal of Sports Science and Medicine. 2012. 11, 483-488.

Tremblay, A., Simoneau, J., et al. Impact of Exercise Intensity on Body Fatness and Skeletal Muscle Metabolism. Metabolism. 1994. 43(7), 814-818.

Trapp, E., Chisholm, D., et al. The Effects of High-Intensity Intermittent Exercise Training on Fat Loss and Fasting Insulin Levels of Young Women. International Journal of Obesity. 2008. 32(4), 684-691.



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Monday, November 12, 2012

Top Ten Foods for Fat Loss & Body Composition - North Vancouver Boot Camp

Use these ten foods in your diet to support fat loss and get the physique you desire. Assuming you are training regularly, including these foods in a high-protein, relatively low-carb whole food diet will help you get and stay lean, while feeling energized and motivated throughout the day.

These ten foods will help you lose fat because they support your body to do one or more of these five things:
•    Increase the body’s use of fat for energy, shifting it to burn fat instead of carbohydrates.
•    Decrease chronic inflammation and improve the sensitivity of cells to insulin so that blood sugar from carbohydrates is used for energy or stored as muscle glycogen and doesn’t turn into fat.
•    Improve the body’s internal detoxification system to enhance elimination of waste products and toxins that slow the metabolism.
•    Support tissue repair and increase the body’s resting metabolic rate so that more energy is burned when food is broken down.
•    Improve the endocrine response to food—there are many effects of this, including lower insulin and cortisol, better elimination of excess estrogen, and higher leptin, which blunts feelings of hunger.

#1: Cold Water Fish: Salmon, Whitefish, Mackerel, Sardines & Anchovies
These cold water fish are high in the omega-3 fats that improve insulin sensitivity and decrease inflammation. The effect is of getting the majority of dietary fat from omega-3 fats is fat loss and improved body composition. For instance, a recent study of healthy adults showed that taking 4 grams of omega-3s a day for 6 weeks significantly increased lean mass and decreased body fat. Other studies have shown an association of a better body composition in people who eat more than 5 servings of cold water fish a week.

Take Away: Get the majority of your dietary fats from foods that are high in omega-3 fats. Cold water fish is a great place to start, and grass-fed and wild meats can increase your intake. Eat a serving of one of these high-protein sources at every meal.

[A product that I use that provides high quality omega-3 fats is IsaOmega Supreme by Isagenix. I take 2 capules per day that come in their Ageless Essentials with Product B packs (you can also get IsaOmega seperately on its own). For more info on Ageless Essentials with Product B click here and for info on IsaOmega Supreme click here.]

#2: Nuts: Walnuts & Almonds
Nuts are high in antioxidants, protein, fiber, and healthy fats, and research shows that supplementing the diet with them can significantly improve body composition. They not only increase the metabolic response to eating, but they increase feelings of satiety and blunt hunger—the hormone leptin has been found to be higher in people who eat nuts daily.

Walnuts may be the healthiest nuts because they are typically eaten raw with the skin on, which increases their antioxidant content. Almonds also top the list of fat burning nuts because of their high protein and fiber content, and they contain a lot of vitamin E that supports detoxification.

Take Away: Eating a serving of nuts a day in conjunction with a high-protein, low-carb diet can produce significant fat loss and help you feel satisfied.

#3: Whey Protein
Whey protein, which can be found in dairy products and taken as a supplement [as in a meal replacement], is a super food for body composition because it enables the body to repair tissue and burn fat. It also enhances the body’s internal antioxidant system by increasing something called glutathione.

Research shows that exercise performance and fat loss are enhanced when the body’s glutathione levels are higher during strength training. For example, in one study that had men take 22 grams of whey protein daily in conjunction with a strength training program had them lose more body fat than a group that only strength trained and didn’t supplement with whey.

Take Away: Supplement with whey protein daily to increase your metabolic rate, antioxidant status, and support tissue repair.

[The whey protein that I use is IsaPro by Isagenix. I will either take it plain with water or add a scoop of it to my IsaLean Meal Replacement to increase the protein content.  For more info on IsaPro click here. For more info on IsaLean Shakes click here.]

#4: Berries: Blueberries, Strawberries & Raspberries
Besides being delicious, berries are great for fat loss because they contain fiber, antioxidants, and have been shown to blunt the amount of insulin the body produces in response to eating them with high-carbohydrate foods. Raspberries, in particular, contain a unique antioxidant called ellagitannins that have been shown to improve the brain’s sensitivity to leptin, making you feel less hungry.

Take Away: Get multiple servings of berries daily. Throw in a serving of the superfruits mango, pomegranate, and tart cherries for variety—all three convey similar benefits as berries and food scientists have called them all “anti-obesity” fruits.

#5: Avocados
A recent review of foods that can treat obesity and prevent diabetes wrote that the “avocado has tremendous antioxidant capacity,” and has been shown to completely eradicate chronic inflammation related to high body fat in mice. Adding avocados and pomegranates to the diet of the mice allowed for them to lose fat and have better insulin sensitivity over time.

Take Away: Selectively include avocados in your diet. Depending on other fat intake, eat them a few days a week. One avocado contains 250 calories, 10 g of fiber, 15 g of monounsaturated fat, 4 g of protein, and 20 essential nutrients.

#6: Broccoli & Cruciferous Vegetables
The cruciferous vegetables like broccoli and cauliflower help the body clear excess estrogen—both naturally occurring and chemical estrogens such as BPA. By a variety of mechanisms, compounds in these veggies can interact with the genes involved in estrogen binding, while clearing estrogen from the body.

In addition, research shows that the high fiber content of these veggies will delay carbohydrate absorption, favorably modifying the glucose response. Their inherent high fiber brings about a very moderate insulin response, thus making them an ideal fat loss food. Dark green vegetables usually have a large antioxidant content as well such as chard, kale, collard greens, mustard greens, spinach, etc.

Take Away: Shoot for multiple servings of cruciferous vegetables daily. Broccoli, cauliflower, bok choy, kale, collards, arugula, radish can be eaten raw, added to salads, or steamed. Raw food are better for fat loss, but the key is to eat them daily, so if cooked is more palatable, go for it.

#7: Eggs
Eggs are an excellent protein source and they also provide a nice dose of choline, which protects the liver from accumulating fat and is the precursor to the energizing neurotransmitter, acetylcholine. Increasing acetylcholine levels can increase growth hormone, which is a potent fat burner. Plus, eggs are very filling, and you get a nice boost in metabolism on account of the thermic effect of  their high protein content.

Incorrectly feared due to their cholesterol content, eggs haven’t been found to elevate serum cholesterol. The body actually uses the cholesterol to produce testosterone and other androgenic hormones, and it improves the integrity of muscle cell membranes. One study showed that eating 12 eggs a week didn’t increase LDL cholesterol at all, and when exercise was done, the high egg intake improved the participants’ ratio of good to bad cholesterol to the same degree as a group that ate no eggs.

Take Away: Eat eggs a few days a week to increase your protein and choline intake. Avoid eating them daily because this has been shown to cause intolerances to eggs.

#8: Coffee & Green Coffee Extract
There is compelling evidence that coffee increases your metabolic rate so that you burn more calories, and it can help shift the body to burn fat rather than glucose for energy. In addition, we know coffee enhances the body’s defenses against reactive oxygen species, can help modulate blood sugar, and may even reduce your risk of Alzheimer’s disease.

The fat loss effect of coffee drinking hasn’t been studied extensively, but one study showed drinking 500 ml of coffee daily for 4 weeks produced 2.5 kg weight loss in overweight subjects. Perhaps more effective, green coffee extract, which comes from the bean before roasting and can be added to any beverage, has been shown to produce significant fat loss: One study compared the effect of giving participants a high-dose green coffee extract (1050 mg), a low-dose (700 mg), or a placebo for 6 weeks and found that the large dose resulted in an average 8 kg loss in body weight and a 4.4 percent drop in body fat—very impressive. The low dose and placebo produced no changes in body composition.

Take Away: Using green coffee extract and drinking coffee can help you lose fat in conjunction with a healthy diet. They aren’t a weight loss solution, but a nice addition to a complete fat loss diet. Green tea provides similar benefits as coffee if it is your beverage of choice.

#9: Kimchi
Kimchi, a fermented Korean food made from napa cabbage, onions, garlic, and fiber, has been shown to aid digestion, improve insulin sensitivity, and produce fat loss. A recent study showed that overweight subjects who ate 100 grams of kimchi at every meal for 4 weeks produced significant fat loss and decreased body fat by 1.5 percent. Blood pressure and blood sugar control were both lower by the end of the study.

Take Away: Include kimchi and other fermented foods [sauerkraut, pickles, olives, kombucha tea, kvass, etc.] in your diet daily for better health and fat loss. Get kimchi at an Asian food store or Whole Foods. Make sure there is no MSG in the ingredients though.

#10: Vinegar
Vinegar aids the body in storing carbohydrates as muscle glycogen rather than storing them as fat. In addition, studies show eating vinegar as a seasoning with meals can improve pancreatic function, and lower the insulin response to carbs. Even if you just add vinegar to your salad or cruciferous vegetables, it can lower the insulin response to your whole meal, leading to a more moderate elevation in blood sugar.

Take Away: Balsamic and white wine vinegar are some of the most delicious vinegars, but you can add any kind to your meal daily and get the fat loss benefits.


Charles Poliquin is one of the most accomplished strength coaches in the world. He has designed workouts for Olympic medalists in 17 different sports, world record holders in 10 different sports, and professional athletes in the NBA, NFL, NHL, MLB, and UK Premier League. He has lectured or consulted for a variety of high-profile organizations such as the US Secret Service, Walt Disney Corporation and the World Swimming Congress. More info visit his website at http://www.charlespoliquin.com.

My additions in brackets.

References

Vinson, J., Burnham, B., et al. Randomized, Double-Blind, Placebo-Controlled, Linear Dose, Crossover Study to Evaluate the Efficacy and Safety of a Green Coffee Bean Extract in Overweight Subjects. Diabetes, Metabolic Syndrome, and Obesity. 2012. 5, 21-27.

Onakpova, I., Terry, R., et al. The Use of Green Coffee Extract as a Weight Loss Supplement: a Systematic Review and Meta-Analysis of Randomized Clinical Trials. Gastroenterology Research and Practice. 2011.

Kotyczky, C., Boettler, U., et al. Dark Roast Coffee is More Effective than Light Roast Coffee in Reducing Body Weight and Restoring Red Blood Cell Vitamin E and Glutathione Concentrations in Healthy Volunteers. Molecular Nutrition and Food Research. 2011. 55 (10), 1582-1586.

Noreen, E., Sass, M., Crowe, M., Pabon, V., Branauer, J., Averill, L. Effects of Supplemental Fish Oil on Resting Metabolic Rate, Body Composition, and Salivary Cortisol in Healthy Adults. 2010. Journal of the International Society of Sports Nutrition. 7(31).

Smith, G., Atherton, P., Reeds, D., Mohammed, B., Rankin, D., Rennie, M., Mittendorfer, B. Dietary Omega-3 Fatty Acid Supplementation Increases the Rate of Muscle Protein Synthesis in Older Adults: a Randomized Controlled Trial. 2010. American Journal of Clinical Nutrition. 93(2), 402-412.

Sheikholeslami Vatani, D., Golzar, F. Changes in Antioxidant Status and Cardiovascular Risk Factors of Overweight Young Men after Six Weeks Supplementation of Whey Protein Isolate and Resistance Training. Appetite. 2012. 59, 673-678.

Devalaraja, S., Jain, S., Yaday, H. Exotic Fruits as Therapeutic Complements for Diabetes, Obesity, and Metabolic Syndrome. Food Research International. August 2011. 44(7), 1856-1865.

Johnston, C., Steplewska, I., et al. Examination of the Antiglycemic Properties of Vinegar in Healthy Adults. Annals of Nutrition and Metabolism. 2010. 56(1), 74-79.

Vislocky, L., Pikosky, M., et al. Habitual Consumption of Eggs Does not Alter the Beneficial Effect of Endurance Training on Plasma Lipids and Lipoprotein Metabolism in Untrained Men and Women. Journal of Nutrition and Biochemistry. 2009. 20(1), 26-34.

Vadivel, V., Kunyanga, C., et al. Health Benefits of Nut Consumption with Special Reference to Body Weight Control. Nutrition. Tweet This

Thursday, October 18, 2012

Ten Reasons Why Runners Should Include Weight Training


If you like to run and have been struggling to increase your mile pace or need a boost in short sprint speed for the final kick, strength training is the answer. Athletes in endurance sports such as swimming, cycling, rowing, or skiing cross-country will also benefit from strength training.

The right strength training program will also help you lose fat—lightness is always a benefit for runners—and prevent injury. It will also improve your endurance and can help prevent injuries. Strength training also provides protective health benefits such as better insulin sensitivity and higher antioxidant status, making it essential for all runners.

If you’re already strength training and not seeing results, it may be because you’re not doing the right kind of training—that is, there may be something wrong with your protocol such that you’re not triggering adaptations. Luckily, the research tells us what you need to do whether you run 5Ks, marathons, triathlons, or just run for fun.

Take note of a few things before we get into the ten greatest benefits of strength training:

If you’re running to lose weight, strength training is a must. You’ll see results much faster. Strength training will boost your metabolism and improve your insulin health and blood sugar levels in addition to supporting hormone response for fat burning.

Don’t be scared by the idea of heavy lifting. If you are an elite runner and you do not want to increase body weight by gaining lean mass, don’t worry. You won’t gain muscle mass from lifting. The science behind this is revealed in #4.

Recreational runners probably won’t increase body weight from training either, assuming you do a decent volume of running. With the right weight lifting program, you will lose fat. If you want to gain muscle mass, and “get big,” endurance running is probably not a good choice.

Older individuals benefit just as much as young runners from strength training. Lifting weights has been shown to lessen the gap between young and old in terms of strength and speed endurance.

This article is for runners but will apply to most endurance athletes. In some cases I present research using athletes from sports other than running such as rowers and cyclists. These are general conclusions that can be drawn from these studies and applied to most endurance sports because they are based on physiology.

Top Ten Reasons Runners Should Strength Train

1)    Get Faster
Strength training will make you faster. Whether you are a short distance runner (800 meters to a mile) or a longer distance runner (mile on up), you’ll find your pace increasing when you start strength training. Strength training will increase leg strength and improve your body’s efficiency to use energy and oxygen.

Increasing the body’s ability to use oxygen efficiently is a primary goal of endurance training, and it is measured by VO 2 max, or maximal oxygen uptake. Simply, if you can decrease the amount of oxygen needed to run at a certain speed, you’ll be able to sustain a fast pace for a longer time and likely be able to run faster overall.

A study that tested the effect of a maximal lower body strength training program on elite runners found that they improved running economy by 5 percent. Even more impressive, they increased the amount of time they could run at their maximal aerobic speed by 21.3 percent. The weight training group also did regular endurance running during the eight week training program, and researchers compared their gains in running speed and work capacity with a control group that only performed regular endurance training. The control group showed no improvements indicating that for elite endurance athletes, strength training may be the magic component to allow them to improve.

Similar studies of elite cyclists show similar performance results. In a study using Danish national team cyclists, half of the team performed a strength training program and half the team served as a control group. The maximal strength program resulted in improved performance in both a 5-minute sprint trial and a 45-minute endurance trial. The strength training group went 5 percent further in the short 5-minute time trial and 8 percent further in the 45-minute trial.

Researchers suggest increased coordination, neural drive, and strength gains all play a role in making these endurance athletes faster since none of there’s no evidence of hypertrophy, or an increase in muscle size or body weight.

Take away: Strength training will improve your pace and make you faster overall. A maximal (heavy) strength program for the lower body will produce best results.

2)    Have A Better Final Kick
A heavy lower body strength training program will make you faster because you’ll be able to generate more force when you kick off the ground. Combined with better running economy and the ability to use energy more efficiently, you’ll have a better final kick.

One reason strength training will increase your speed is that you’ll increase your proportion of type IIA muscle fibers that fatigue slowly and are able to produce speed and power. The type II fibers are the “fast-twitch” fibers and sprinters have a large concentration of them because their training triggers the development of these fibers.

Muscle fiber research is still emerging but we know that the type I and II fibers are on a continuum that include at least seven different “types,” of which type I fibers are the most aerobic and least powerful. Type IIX are the most powerful and most quickly exhausted. The interesting thing is that with training, you can shift the proportion of these fibers based on the type of training you are doing. Combining endurance exercise with strength training provides the best stimulus for the muscles and yields the most impressive results for speed and endurance.

In the study of Danish national team cyclists, researchers found that the athletes who strength trained increased the proportion of type IIA muscle fibers in the quadriceps from 26 to 35 percent and decreased type IIX fibers from 5 to 0.6 percent, a favorable shift for endurance performance.

There’s limited research into muscle fiber shifts in recreational athletes, but studies suggest that strength training will produce more favorable fiber types for speed endurance in non-elite runners as well.  There is some evidence of a small increase in muscle size, particularly type II fibers in recreational runners, but this occurs with a decrease in body fat and has not produced a substantial increase in overall body mass.

Take away: Strength training will increase your speed. You’ll have a better final kick with more fast, fatigue-resistant muscle fibers.

3)    Decrease Body Fat
Strength training will help you lose fat. The bulk of energy that is burned in the body comes from your resting metabolic rate, which is a function of the proportion of lean muscle to body fat. Body fat slows that metabolic rate and produces various substances that make you fatter, including aromatase (turns testosterone into estrogen) and adipokines (slow metabolism). Muscle and lean tissue improve metabolism instead of hurting it, meaning to be a better runner (and have a better looking body), you want more muscle and less fat.

Experienced and elite runners will know that it is hard to lose fat unless you do large amounts of high-intensity training. People often point out that elite runners are “thin” and have a low body fat percentage. This is true, and they tend to do a very large volume of running at a high intensity. For those of you who are interested in getting lean without increasing your distance or intensity, strength training can help.

For instance, in the study of Danish national team cyclists, the strength training group decreased body fat by nearly two percent and had no change in body mass after the 16-week training program. The group that only did their regular endurance training decreased body fat by 0.5 percent. Other studies have elicited more dramatic results.

A study of collegiate female soccer and volleyball players found that an intense circuit training strength program produced a decrease in body fat of an average of 5.7 percent, which is substantial for a group of elite athletes. This study was interesting because it based the intensity on heart rate rather than the amount of weight lifted. Participants in the high intensity group maintained heart rate at an average of 151 beats per minute by performing vigorous intervals in between sets. The weight lifted was 50 percent of maximal, and participants performed an average of ten repetitions per exercise. This protocol also produced increases in strength. Speed, running economy, and endurance were not tested.

Take away: Strength training will burn fat and decrease your body fat percentage making you lighter and faster.

4)    Have Better Body Composition
Strength training will enhance your overall body composition. Research shows that if you program properly, you don’t have to gain muscle mass. It’s possible to develop a protocol to get you in shape for endurance exercise and gain muscle with the right nutrition and supplementation, but that is another article for another day.

A common concern for competitive endurance athletes is gaining body mass with strength training. Even lean muscle gains have been a concern because elevated muscle mass is thought to be detrimental for optimal endurance sports where muscle forces are generated to support the body mass against gravity. This issue could be debated since gaining strength and muscle mass in the legs will certainly make you faster if your training protocol is for relative strength. But, for simplicity, I will assume that you are doing a large volume of endurance training, which means that the most you can hope to get out of your strength training program is increased speed and endurance with decreased body fat.

It’s well established that endurance exercise creates a catabolic environment that degrades muscle and bone and shifts the proportion of muscle fibers to type I. Strength training will counter this muscle degrading process and result in strength gains but the anabolic environment will be blunted. In a review of the effect of maximal strength training in elite endurance athletes, researchers Aagaard and Andersen write that “concurrent training can diminish the muscle hypertrophy that normal occurs with strength training,” but increases in performance and strength are still observed.

This is due to the increased proportion of type IIA muscle fibers, but also to an increase in different gene signaling pathways involved in muscle growth and loss, which appear to cancel each other out. Despite no growth in the cross sectional area of muscle, concurrent strength and endurance training increases the ratio of capillaries to muscle fiber area, which improves oxygen delivery and free fatty acid uptake. Greater free fatty acid uptake results in a reduced rate of glycogen breakdown, meaning that endurance athletes are using energy more efficiently, which improves performance.

Take away: Strength training is safe for athletes who don’t want to gain muscle mass. The catabolic/anabolic processes “cancel” each other out. Strength training increase fiber type proportion, neuromuscular function, and fuel utilization for better performance.


5)    Prevent Injury
Strength training will help you get rid of nagging injuries or chronic pain and help prevent future injuries. It will also help you correct structural imbalances that increase injury risk and lead to improper motor patterns. For example, the non-dominant side of the body is often weaker, which will throw your stride off, as will problems with your feet such plantar fasciitis or bunions.

Equally, muscle imbalances within each limb can cause problems for runners. For instance, the vastus medialis obliquus is a common weak link in the quad, and weak calves are thought to contribute to shin pain. Include both unilateral and bilateral leg exercises to avoid imbalances and prevent injury. Single-side training has also been shown to improve sprinters’ speed, and endurance athletes can benefit too

A study in the Journal of Strength and Conditioning Research showed how single-leg “pitcher” squat, also called rear-foot elevated squats or bulgarian split squats, produced significant strength gains that rival those made from regular back squats. Including a training cycle of “pitcher” squats placed extra stabilization demands on the neuromuscular system since the athletes’ weight distribution was biased to one side of the body.

Additionally, forward lunges and step-ups are excellent lower body exercises that will help equalize strength and power between the legs and are excellent for runners. Take note that strength training can also decrease chronic pain and minimize aches and joint discomfort from continually pounding the pavement. Heavy strength training triggers protein synthesis in the connective tissues and will also increase bone strength.

Take away: Strength training improves structural balance and can help prevent injury and chronic pain. Feel better when you run!

6)    Strengthen Your Core With Traditional Lifts
Strength training with traditional lifts such as squats, deadlifts, lunges, and chin-ups will increase your core strength. Better core strength will help you avoid back pain and make you faster. Research shows that multi-joint movements are best to train the core musculature and improve the transfer of power from the arms to the legs.

One group of researchers recently found that core strength for running is best trained with squats and Olympic lifts, but if you don’t perform the snatch and clean and jerk; squats, chin-ups, deadlifts, and push-ups will strengthen your core.  Additionally, if the lower back, gluteals, or hamstrings are weak or imbalanced, glute-ham raises and back extensions are ideal.

Take away: The best way to build core strength for runners is to perform traditional lifts.

7)    Increase Antioxidant Levels and Decrease Oxidative Stress
Endurance training has been shown to produce a high level of oxidative stress that can lead to chronic inflammation. Strength training will counter both acute oxidative stress, and help you avoid the long-term debilitating impact of this stress.

Scientists and athletic coaches have become concerned about the negative health effects of endurance training because of the daily physical stress that it causes. The inflammatory response to intense endurance training is well documented and some coaches and athletes have attempted to counteract it by taking antioxidants. This is a good strategy since we are inundated by free radicals from our environment and poor dietary choices, but throw strength training into the mix, and you will be much better off.

A moderate to heavy strength training program has been shown to increase antioxidant status and counter oxidative stress. In #4 we looked at how strength training can counter the muscle degrading effect of endurance training, and it can minimize the inflammatory response of intense, repeated physical stress. The stress hormone cortisol is the culprit and it damages cells and tissue in the body and accelerates aging. Strength training will offset this, making you healthier, stronger, and faster.

Take away: Strength training protects runners from the repeated damage of oxidative stress by raising antioxidant levels.

8)    Better Reproductive Health
There is evidence that reproductive health suffers for both men and women from endurance training. Strength training is one strategy to prevent this. A recent study in the European Journal of Applied Physiology found that intense endurance exercise provokes low testosterone and diminished sex hormone levels in men, which translates into poor reproductive health and low fertility. Previous studies have found similar impaired fertility in women who perform endurance exercise, a common symptom of which is dysmenorrhea or impaired menstrual cycles.

Strength training can help because it will improve hormone levels and counter the oxidative stress from cortisol and related catabolic hormones that cause inflammation and damage to the reproductive organs. Researchers suggest there is a happy medium to reproductive health such that individuals who like to run can improve their endocrine profiles and support fertility and health with strength training. On the flip side, a sedentary lifestyle will also impair fertility, and poor health.

Take away: Strength training will improve reproductive health and fertility in men and women who run.

9)    Better Insulin Health
Insulin health refers to how sensitive your cell receptors are to the hormone insulin, which is secreted by the pancreas in response to glucose in the blood stream. Glucose comes from carbohydrates, a large portion of many runners’ diet, making the maintenance of insulin health a high priority for runners.

You want to improve your insulin sensitivity because doing so will support a faster metabolism and better energy levels. Insulin health is a component of performance because it is involved with helping your body process energy along with speeding recovery from intense endurance training by aiding in the replenishment of glycogen stores.

If your cells are insulin resistant, you will have a slower metabolism, have poor performance, and be at risk of developing diabetes. You will also have greater amounts of oxidative stress, which damages cells, cause inflammation and accelerates aging. As mentioned in #8, oxidative stress is already a problem for runners and endurance athletes, meaning you don’t want to exacerbate the problem by causing more with high levels of insulin.

Strength training is a well known strategy for diabetes prevention and for improving insulin. A recent study in the journal Nature showed how during exercise—any time you perform muscle contractions—the body produces a hormone called irisin that will improve insulin health. With strength training, you intensely and repeatedly contract the muscles producing extreme force, thereby producing even more irisin, which in turn greatly promotes insulin sensitivity.

Take away: Strength training improves insulin health and helps you recover from running by aiding in replenishment of energy stores.

10)    Best Results With Heavy Lifts and Varied Tempo
Perform a strength training program that includes heavy lower body lifts for best results. Runners often make the mistake of performing resistance training programs that are geared toward increasing muscular endurance instead of strength. This will not make you faster.

Naturally, if you are new to strength training, you will need to develop base levels of strength, and a muscular endurance program may be appropriate. It’s necessary to achieve basic strength and flexibility in the hips and ankles so that you can properly do squats and deadlifts with good technique.

Once you’ve got the basics down, you will get the most out of your strength workouts by lifting heavy—above 80 percent of the maximal amount you can lift. The only research studies that haven’t produced gains in running pace and speed are those that used too light of a load or were for too short of a time period—less than eight weeks.

To get the most out of your strength program, perform multi-joint, ground-based lifts such as squats and deadlifts. Step-ups and lunges are also essential. Although, a more advanced technique, lifting with a varied or slow tempo will also provide benefits to runners. Tempo training, or the variation of the amount of time spent on the up and down phase of a lift, is a great way to provide a new and different stimulus to the muscles. If you feel you’ve hit a plateau or want to try something new, consider varying your tempo—it will challenge your weaknesses and make you faster and stronger.

Take away: Runners new to lifting should develop base levels of strength and flexibility. Then, it’s time to lift heavy and vary tempo to turn weaknesses into strengths.

Charles Poliquin is one of the most accomplished strength coaches in the world. He has designed workouts for Olympic medalists in 17 different sports, world record holders in 10 different sports, and professional athletes in the NBA, NFL, NHL, MLB, and UK Premier League. He has lectured or consulted for a variety of high-profile organizations such as the US Secret Service, Walt Disney Corporation and the World Swimming Congress. More info visit his website at http://www.charlespoliquin.com.

References:
Aagaard, P., Andersen J., et al. Effects of Resistance Training on Endurance Capacity and Muscle Fiber Composition in Young Top-Level Cyclists. Scandinavian Journal of Medicine and Science in Sports. 2011. Published Ahead of Print.

Vaamonde, D., Silva-Grigoletto, M., et al. Physically Active Men Show Better Semen Parameters and Hormone Values than Sedentary Men. European Journal of Applied Physiology. 2012. Published Ahead of Print.

Skoluda, N., Dettenborn, L., et al. Elevated Hair Cortisol Concentrations in Endurance Athletes. Psychoneuroendocrinology. September 2011. Published Ahead of Print.

Sunde, A., Storen, O., et al. Maximal Strength Training Improves Cycling Economy in Competitive Cyclists. Journal of strength and Conditioning Research.2010. 24(8), 2157-2165.

Phillips, S., Das, E., et al. Resistance and Aerobic Exercise Protects Against Acute Endothelial Impairment Induced by a Single Exposure to Hypertension During Exertion. Journal of Applied Physiology. 2011. 110(4), 1013-1020.

Storen, O., Helgerud, J., et al. Maximal Strength Training Improves Running Economy in Distance Runners. Medicine and Science in Sports and Exercise. 2008. 8(6), 1087-1095.

Davis, W., Wood, D., et al. Concurrent Training Enhances Athletes’ Strength, Muscle Endurance, and Other Measures. Journal of strength and Conditioning Research. 2008. 22(5), 1487-1495.

Deus, A., Oliveira, C., et al. Metabolic and Cardiac Autonomic Effects of High-Intensity Resistance Training Protocol in Wistar Rats. Journal of Strength and Conditioning Research. November 2011. Published Ahead of Print.

Bostrom, P., Wu, J., et al. A PGC1-Dependent Myokine that Drives Brown-Fat-Like Development of White Fat and Thermogenesis. Nature. January 2012. Published Ahead of Print.

Reynolds, Gretchen. Exercise Hormone May Fight Obesity and Diabetes. The New York Times. 11 January 2012.

Shinkle, J., Nesser, T., et al. Effect of Core Strength on the Measure of Power in the Extremities. Journal of Strength and Conditioning Research. January 2012. Published Ahead of Print.

Okada, T., Huxel. K., Nesser, T. Relationship Between Core Stability, Functional Movement, and Performance. Journal of Strength and Conditioning Research. January 2011. 25(1), 252-261.

Wilson, J., Marin, P., et al. Concurrent Training: A Meta Analysis Examining Interference of Aerobic and Resistance Exercise. Journal of Strength and Conditioning Research. October 2011. Published Ahead of Print.

Baker, Daniel. The Effects of an In-Season of Concurrent training on the Maintenance of Maximal strength and Power in Professional and College-Aged Rugby League Football Players. Journal of Strength and Conditioning Research. 2001. 15(2), 172-177.

Bell, G., Syrotuik, D., et al. Effect of Concurrent Strength and Endurance Training on Skeletal Muscle Properties and Hormone Concentrations. European Journal of Applied Physiology. 2000. 81, 418-427.

Aagaard, P., Andersen, J., et al. Effects of Strength Training on endurance Capacity in Top-Level Endurance Athletes. Medicine and Science in Sports and Exercise. 2010. 20(Suppl 2), 39-47.

Sharrock, C., Cropper, J., Mostad, J., Johnson, M., Malone, T. A Pilot Study of Core Stability and Athletic Performance: Is There a Relationship? International Journal of Sports Physical Therapy. June 2011. 6(2), 63-74.

Jones, M., Ambegoankar, J., et al. Effects of Unilateral and Bilateral Lower-Body Heavy Resistance Exercise on Muscle Activity and Testosterone Response. Journal of Strength and Conditioning Research. 2012. Published Ahead of Print.

Cakir-Atabek, H., Demir, S., Pinarbassili, R., Bunduz, N. Effects of Different Resistance Training Intensity on Indices of Oxidative Stress. Journal of Strength and Conditioning Research. September 2010. 24(9), 2491-2498.


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Tuesday, October 2, 2012

Why Women (and Men) Should Strength Train

You Won't Get Bulky. 
Remember: your bodyweight depends on the amount of calories you eat & expend. Strength training will make you gain muscle & lose fat. But you'll stay at the same bodyweight unless you start eating more.

Women have lower testosterone levels than men, roughly 10 times less than men. Muscle mass & strength depend on your testosterone levels. The only way women can get as muscular as man is by using steroids or pro-hormones. Men generally do produce enough natural testosterone (the ultimate muscle-building hormone) to get big, and most of us still have trouble building a significant amount of muscle. Just imagine how difficult it is to bulk up for a woman.

Check out this woman bodybuilder:

Brenda Smith’s killer leg workout: The closest she gets to a real movement is the lunge, but even her squats are assisted. She’s obviously not interested in learning actual athletic movements or developing real strength; she only cares about stoking that PUMP coursing through her veins.

Look at the bodybuilders’ bodies, their workouts, and their focus. Notice anything? They’re solely focusing on individual muscles to the detriment of the whole. There’s no catlike athleticism, nothing that indicates actual functional strength. Leg extension machines don’t exist in nature.

By doing strength training you will NOT look like this, do not worry:


Strength Training Benefits for Women. 
  • Less Fat. More muscles results in decreased body fat at the same bodyweight.
  • Balanced Physique. Many women are skinny in the upper body & bulky in their legs. Strength training will balance your physique.
  • Increased Bone Density. Lifting weights prevents osteoporosis.
  • Blood Circulation. Helps combat cellulites on thighs & glutes.
  • More strength. Pregnancy, holding baby, householdery,... gets easier.
  • Fun. Women really like sports, especially when they have fun while getting results.
  • Physical Activity. Whether it is strength training or something else: you need physical activity to stay "sane".
How Women Should Train. 
Same as men. Same exercises. Same sets & reps. Same programs. If your goal is toning up & losing fat, strength is your tool.

Focus on getting stronger on the Squat, Bench Press, Deadlift, Overhead Press & Pull-up such as we're doing in our classes.

Women's Results. 
The difference in testosterone levels will influence the results you'll achieve as a woman. In general:
  • Increased muscle mass. But less than a man.
  • Decreased body fat. 16% for women is the same as 10% for men.
  • Increased strength. But again less than a man.
In terms of physique, look at these women. They're athletic, in shape & not bulky. Their secret is simple: training hard, consistently & eating healthy.






10 Benefits Women Can Gain from Training with Functional Movements at High Intensity, i.e. Strength Training are:
  1. You Will Be Physically Stronger.
    Increasing your strength will make you far less dependent upon others for assistance in daily living. Chores will be easier, lifting kids, groceries and laundry will no longer push you to the max. If your maximum strength is increased, daily tasks and routine exercise will be far less likely to cause injury. Research studies conclude that even moderate weight training can increase a woman’s strength by 30 to 50 percent. Research also shows that women can develop their strength at the same rate as men.
  2. You Will Lose Body Fat.
    Studies found that the average woman who strength trains two to three times a week for two months will gain nearly two pounds of muscle and will lose 3.5 pounds of fat. As your lean muscle increases so does your resting metabolism, and you burn more calories all day long. Generally speaking, for each pound of muscle you gain, you burn 35 to 50 more calories each day. That can really add up.
  3. You Will Gain Strength Without Bulk.
    Researchers also found that unlike men, women typically don’t gain size from strength training, because compared to men, women have 10 to 30 times less of the hormones that cause muscle hypertrophy. You will, however, develop muscle tone and definition. This is a bonus.
  4. You Decrease Your Risk Of Osteoporosis.
    Research has found that weight training can increase spinal bone mineral density (and enhance bone modeling) by 13 percent in six months. This, coupled with an adequate amount of dietary calcium, can be a women’s best defense against osteoporosis.
  5. You Will Improve Your Athletic Performance.
    Over and over research concludes that strength training improves athletic ability in all but the very elite athletes. Golfers can significantly increase their driving power. Cyclists are able to continue for longer periods of time with less fatigue. Skiers improve technique and reduce injury. Whatever sport you play, strength training has been shown to improve overall performance as well as decrease the risk of injury.
  6. You Will Reduce Your Risk Of Injury, Back Pain and Arthritis.
    Strength training not only builds stronger muscles, but also builds stronger connective tissues and increases joint stability. This acts as reinforcement for the joints and helps prevent injury. A recent 12-year study showed that strengthening the low-back muscles had an 80 percent success rate in eliminating or alleviating low-back pain. Other studies have indicated that weight training can ease the pain of osteoarthritis and strengthen joints.
  7. You Will Reduce Your Risk of Heart Disease.
    Weight training can improve cardiovascular health in several ways, including lowering LDL (“bad”) cholesterol, increasing HDL (“good”) cholesterol and lowering blood pressure. When cardiovascular exercise is added (like in Boot Camp!), these benefits are maximized.
  8. You Will Reduce Your Risk of Diabetes.In addition, weight training may improve the way the body processes sugar, which may reduce the risk of diabetes. Adult-onset diabetes is a growing problem for women and men. Research indicates that weight training can increase glucose utilization in the body by 23 percent in four months.
  9. It Is Never Too Late To Benefit.
    Women in their 70s and 80s have built up significant strength through weight training and studies show that strength improvements are possible at any age. Note, however, that a strength training professional should always supervise older participants.
  10. You Will Improve Your Attitude And Fight Depression.
    A Harvard study found that 10 weeks of strength training reduced clinical depression symptoms more successfully than standard counseling did. Women who strength train commonly report feeling more confident and capable as a result of their program, all important factors in fighting depression.

PS. Check out our program at www.MakersBody.com and receive $50 off your first month.


References:
Mark's Daily Apple: http://www.marksdailyapple.com/strength-training-women/#axzz28Ayftcsf
Stronglifts.com: http://stronglifts.com/strength-training-for-women/
CrossFit816: http://www.crossfit816.com/of-particular-interest-to-women




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Monday, August 6, 2012

Top 10 Pitfalls to Weight Loss: Don't Make These Common Mistakes

A lack of discipline may be the most harmful trait if you are trying to lose weight. But, even if you are motivated and disciplined, you need to ensure you aren’t getting sidetracked by making common errors that will halt your progress and are easy to avoid.

There are hundreds of lists on the internet of common errors people make when trying to lose weight. They are all similar, most include ten things to avoid, and you might be surprised to find out that they are mostly right on. These lists provide a useful basic guide to use when trying to lose weight, but what they don’t do is get at the harder to solve mistakes that keep you from seeing results in improving your body composition.

For example, did you know that for weight loss and health it’s must better to choose the “whole fat” version of dairy products than the “fat free” option? Almost all foods that have had the fat removed from them and are labeled “fat free” are going to be more contaminated, contain fewer nutrients, and discourage fat loss to a much greater degree than the whole fat option. This is especially true with dairy products because the whole milk version of yogurt or milk will naturally provide conjugated linoleic acid (CLA), which protects against prostate and breast cancer. In contrast, fat free dairy products have what I often call a “cancer inducing” effect.

I’ve had many a client with the best of intentions for weight loss make critical but common errors, that when solved, allow them to achieve amazing results. This is my top ten list of things you can do to avoid common pitfalls that get in the way of you achieving a lean body composition. This list assumes that you aren’t doing any of the following things that are obviously going to impede weight loss and cause poor health: smoking, drinking large amounts of alcohol, taking diet pills, drinking your calories (soda, juice, sports drinks), or trying to lose weight without exercising. If you are doing any of these things, stop now, and then start making the changes on this list.

Tip 1: Don’t Eliminate Fat
Eliminating fat or eating a very low fat diet is a common error that people are encouraged to make by food marketing. Eliminating fat intake to get rid of fat from the body may seem like a good idea at first glance, but when you understand the role of fat in the body, you realize getting too little of it is a bad idea. Of course, removing “very bad” fats, also known as  trans fats, from the diet is essential because they will make you fat and then they will kill you.

You need a decent amount of good fat in the diet because all the cells in the body are made up of two layers of lipids or fats, which will be composed of good fats or bad fats depending on the type you eat. If the cell lipid layers are made up of healthy fats, it will make them more sensitive to insulin and allow the receptors to bind more easily, which is necessary for good metabolism and energy production.

Increasing the sensitivity of your cells to insulin is important because it will allow the glucose to enter the cell and get burned as fuel. But, if you eat large amounts of trans-fats or have a severe imbalance between the omega-6 and -3 fats in your diet, your cell lipid layers will be made up of those fats. Lipid layers made of unhealthy fats lead to unhealthy cells and greater insulin resistance, which produces fat gain and puts you at risk for diabetes.

Tip 2: Do Get A Balanced Fat Intake
To get a balanced fat intake you want to get a large quantity of omega-3 fats that are balanced with omega-6 fats. Ideally, you’ll get a near equal ratio of omega-3 to omega-6 fats. Most people get way to many omega-6 fats because they are abundantly found in our diets in the form of the most commonly used vegetable oils (corn, sesame, safflower, peanut, etc.). Omega-3 fatty acids are those that commonly come from fish oil [and krill oil] (often referred to as DHA, EPA and ALA), but they also can be gotten from grass-fed beef and wild meats. This is why I suggest two things you can do for better insulin health and body composition are to take a high dose of omega-3s and eat meats and fish that have a high concentration of these fats.

I recommend a fish oil dose in the range of 1 to 1.5 grams of omega-3s per percent of body fat, meaning if you have 20 percent body fat you would take 20 grams. Many people like to start taking a more conservative dose, which is fine, but think of it as if you are replacing your daily fat intake goal with fish oil. For example, if it is 50 grams, replacing 20 of those grams with an omega-3 supplement is an easy thing to do.

Tip 3: Get Rid of Stress and Lower Cortisol Levels
To lose fat, it’s essential that you minimize stress to lower your cortisol levels. It is well established that chronically high cortisol results in fat gain, particularly around the middle. This means that no matter how much you exercise or eat healthy, you won’t lose weight if your cortisol is elevated because of how cortisol makes the body insensitive to insulin.

One recent study looked at the relationship between cortisol levels, insulin sensitivity, and visceral belly fat in men. Men with more belly fat produced far more cortisol throughout the day and had decreased insulin sensitivity than those with less belly fat. Interestingly, subcutaneous fat—the jiggly kind that’s right below the skin—was not related to insulin or cortisol levels. Researchers suggest both external stress and internal physiological stress (in the form of chronic inflammation in the gastrointestinal tract) are the cause of the elevated cortisol.

Problems with the gastrointestinal tract result in altered neurotransmitter production, which makes you feel tired, unmotivated, and depressed. It can also elevate anxiety, making you over-responsive to stress. At the same time, poor gut health will produce chronic inflammation in the intestines, putting stress on them and raising cortisol. The combination means chronically high cortisol and persistent strain on the body from multiple sources. If you have any experience with fat loss, you know that the body is most agreeable about giving up its fat stores when it is calm and not stressed or overly stimulated.



A product that loaded antioxidants and helps reduce stress is Ionix Supreme by Isagenix. I take at least 1 scoop per day and somedays 2. For more info on Ionix Supreme click here.

Tip 4: Fix Your Gut With a Probiotic
Fix your gut health and support digestion by taking a probiotic to lose fat, have more energy, and feel better. Probiotics are the tiny bacteria that naturally occur in the gastrointestinal tract and are commonly found in dairy products such as yogurt.

It’s very difficult to lose weight if you don’t have a healthy gut for two interrelated reasons. First, more than half of the neurotransmitters that send messages from the brain to cells and hormone receptors throughout the body are made in the gastrointestinal lining. If your gut is not healthy, it will negatively affect the production of the neurotransmitters, leading to poor cognitive function, low mood, feelings of depression, and low motivation. A bad outlook and lack of drive will make you less motivated to exercise and take the action necessary for you to make progress toward reaching your goals.

The second reason gut health is essential is that it will improve digestion and help you feel better. You will actually feel more energetic because your neurotransmitters will be firing at optimal levels, and your metabolism will be supported so that nutrients and energy sources are getting broken down, absorbed, and used by the body in the most effective manner. Additionally, research shows probiotic supplementation helps lower anxiety and stress levels, which leads to less secretion of cortisol.

Several studies have shown that poor gut health makes the body produce more cortisol, directly affecting insulin health and resulting in visceral belly fat gain. For example, in the study mentioned in Tip #3, the overweight men in the study were put on a high-protein diet with a probiotic supplement for six months, and then had their body fat, cortisol levels, and insulin sensitivity retested. The men significantly lost belly fat, improved insulin sensitivity, and had lower cortisol levels. Researchers suggest that poor gut health had caused chronic inflammation in the intestines, which led to the elevated cortisol and the belly fat gain. The probiotic supplement treated the inflammation in the intestines, helped to lower cortisol, and in conjunction with the high-protein diet, helped induce weight loss.

A product that I personally use is HMF Forte and HMF Intensive by Genestra brand. Forte provides 10 billion colony forming units per capsule and Intensive provides 25 billion. If someone has gut issues I would recommend 2-4 weeks on Intensive, taking 2 capsules per day and then transition to Forte, taking 1-2 capsules per day indefinitely.

Tip 5: Support Digestion With HCL: Prevent Nutrient Deficiencies
Another trick for supporting digestion and fat loss is to make sure you have adequate stomach acid to break down food. Take a hydrochloric acid (HCL) supplement to improve acid levels in the stomach and allow your body to completely break down food. The increased acid levels in the stomach will improve the absorption of protein, calcium, vitamin B, magnesium, zinc, iron, and other basic nutrients.

Better digestion and absorption of protein and nutrients will support protein synthesis and the development of lean body mass, while helping you avoid deficiencies that can cause poor health and hinder weight loss attempts. For example, one study in the journal Clinical and Experimental Allergy found that low stomach acid hindered the digestion of codfish protein in mice. Along with less protein absorption, there was evidence of the development of protein allergies in the mice population over time.

Researchers suggest that the Western population’s overuse of antacid medications—to counter acid reflux, which is typically produced by a poor diet—results in chronically low stomach acid, which in turn hampers digestion, and the absorption of protein. They caution against the use of antacids and encourage the population to modify diet and raise stomach acid levels for better protein absorption.

I use an HCL supplement in which the HCL comes from betaine because betaine is known to stimulate protein synthesis and support athletic performance. Additionally, for a digestive aid you may want to try Multi-Enzyme Complex, which are digestive enzymes. Click here for more info.

Tip 6: Eat Breakfast With Protein In It: No Cereal Allowed
Eating breakfast is one of the simplest, healthiest things you can do to feel better and have more energy, but there’s one catch. You have to eat protein at breakfast. Eating cereal for breakfast is a common pitfall that is often not addressed by the media or mainstream health professionals.

Cereal is bad for breakfast because it’s typically packed with sugar and additives. In the rare case that you can find a cereal that doesn’t have added sugar, cereal tends to be low in protein. Even if you find an organic cereal that appears to contain a nice dose of protein, these high-protein cereals contain natural preservatives that wreck havoc on neurotransmitter production.

Remember, in Tip #4, I mentioned the importance of gut health and the neurotransmitters for brain function. Setting the neurotransmitters up for the day is the reason a high-quality protein breakfast is essential. The macronutrient content of the food you eat for breakfast will prime the chemicals that send messages from the brain to all your muscles and tissue throughout the whole day.

If you set your neurotransmitters up with a high-carb cereal, orange juice, and a banana, you’ll trigger a big insulin response, elevate serotonin and end up feeling low energy and foggy in the brain soon after. It’s very difficult to reverse the poor brain function and sluggishness that goes with a high-carb breakfast, and people tend to counter these feelings of tiredness and with caffeine, which raises cortisol and causes a new round of problems such as anxiety, an excited sympathetic nervous system, and poor energy production.

The answer is to get a high-quality protein that is slowly digested. A breakfast that includes meat [or another complete protein such as eggs or a shake such as the IsaLean Shake] and nuts is my favorite because it will provide a nice dose of protein and “good” fats to start the engine and keep you going throughout the day. Plus, the nuts contain almost no carbs, meaning that with the meat [or other complete protein source], you will have a very moderate insulin response, which will allow for a constant blood sugar level.

Tip #7: Take A Very Cautious Approach To The Science and Health Media
Be very cautious about what you learn from the science and health media. Health, fitness, and diet information from the media is commonly misrepresented with the facts being presented in a way that feed on our desire for intrigue and quick, easy solutions. Equally concerning, media is fueled by business interests, meaning that the information presented is influenced by those interests.

If you look back over how a number of important scientific studies were presented by the media in 2011, it becomes apparent that you have to be very cautious about what you believe. For example, in November a study about vitamin D was presented at the annual conference of the American Heart Association that showed that taking too much vitamin D produced risk of atrial fibrillation. The study provided useful information about how to achieve the ideal vitamin D status for health as well as how to avoid overdosing and reaching a possibly toxic level.

For example, you want to ensure your vitamin D levels are between 41 and 80 ng/ml and avoid going over 100 ng/ml. The only cases of individuals achieving levels over 100 ng/ml are when there has been a dispensing error such that they were taking more than ten times the recommended dose of 5,000 IUs a day.

This study was reported by many mainstream news companies including MSN, USA Today, and NBC. In the vast majority of the stories about the study, no context for the information was provided, such as details about what “excess vitamin D” means, or how an individual might achieve such levels. Rather, they tended to alarm readers with insufficient information and suggest that individuals should discontinue vitamin D supplements, or that they should only use a very low dose of vitamin D (a common recommendation is 400 IUs a day).

Another example of media misrepresentation is the issue of whether aerobic or strength training is preferred for fat loss. One study this year compared the effects of aerobic training with strength training on visceral belly fat loss. It was widely reported in the media with headlines such as “Jogging Beats Strength Training for Losing Belly Fat,” or “Aerobic Exercise the Most Effective Way to Lose Belly Fat.”

The problem is that the study design had a major flaw—the amount of volume of exercise was not equivalent or even comparable between the aerobic and strength training programs tested. Not one article that I read reported the fact that the aerobic training was performed at 80 percent of maximal for 45 minutes, while the strength training program consisted of exercises on Cybex machines and did not include a 1RM. This means the study design did not account for the amount of weight lifted in the program—a major error that makes it impossible to compare programs that are not matched for the amount of work performed.

Additionally, the media reports failed to differentiate between visceral fat and subcutaneous fat. Visceral fat is the fat that resides deep inside the body in the abdominal trunk and surrounds the organs. It is a primary indicator of diabetes and heart disease risk. Subcutaneous fat is the jiggly fat that is right below the skin, which you can pinch with your fingers. This difference is an important element that the public should understand if they want to gain information about how to improve their health, fitness, and body composition.

To avoid having the media hamper your weight loss progress, find a source of information that you trust. It’s not that you should ignore science and health reporting, but it’s necessary to be skeptical, and occasionally you will have to do your own research, or find a source you trust that will review the research for you!

Tip 8: Do Not Trust The U.S. RDV or Nutrition Labels
The U.S. Recommended Daily Value, or what is now called Dietary Reference Intakes (DRI), is the amount of a given nutrient that the U.S. Department of Agriculture thinks you need each day. If you want to lose weight, the value is useless.

Even if you don’t want to lose weight, it is not ideal for health, and the new DRI is confusing because it gives no suggestion for fat intake, aside from suggesting that adults consume between 12 and 17 grams of omega-6 fats and 1.1 to 1.6 grams of omega-3s a day. This is an example of the skewed ratio I referred to in Tip #2. A number of research studies have shown that the skewed ratio of omega-6 to omega-3s is linked to higher rates of obesity, cancer, inflammatory and immune disorders, and cardiovascular disease. Apparently the USDA wasn’t aware of this data.

One positive thing about the new U.S. DRI is that it has lowered the carb recommendations from 300 grams per day for adults to 130 grams per day. That’s a vast amount, but it is more in line with what I would suggest for weight loss. The problem is that the DRI only increased protein recommendations by three grams a day from 53 to 56, which will likely leave most people hungry and confused.

Take note that in the U.S., nutrition labels include nutrition suggestions based on old recommendations from the USDA that assume the average American needs either 2,000 or 2,500 calories a day. Within the calorie-based framework, macronutrient suggestions are made such that for the 2,000 calorie diet, you are supposed to get 300 grams of carbs, 53 grams of protein, and 65 grams of fat. This is a whopping amount of carbs for the average person, even if they are doing large amounts of endurance or high-intensity exercise daily. The point is that nutrition labels can tell you the macronutrient content of foods, but don’t become more confused by the dietary suggestions included on the label.

Naturally, you do need a plan for what you are going to eat if you intend to lose weight. The key is to identify the macronutrient content that supports your body and does not include foods that you are intolerant of. An intolerance is a food that you are allergic to and your body is not able to digest completely. There are severe allergic reactions such as in the case of a nut allergy that is very dangerous, and there are less severe allergies that cause fat gain and poor insulin health.

For example, some people are allergic to gluten and need to avoid it, whereas others are intolerant of gluten and will feel much better and have a leaner body composition if they avoid it [a number of people in my opinion fall into this category.] Similarly, most people will be healthier and leaner if they limit carbs and avoid all wheat-based carbs, but this does not mean that everyone is intolerant to wheat-based carbs.

The best way I can suggest to identify food intolerances is to get a BioSignature Modulation. This is the method I have developed to identify the best foods for each person and determine individual detoxification and supplement needs. If you are unable to have BioSignature done, the key is to identify a dietary lifestyle that will support your weight loss goals. Research shows that generally, a high-protein, low-carb diet that is gluten and wheat free will produce the best fat loss results.

Tip 9: Focus On Detoxification
Detoxification is critical for weight loss because there are so many pollutants and endocrine-altering substances in our food and water. You want to focus on detoxifying your body on a regular basis because you are exposed to dangerous substances daily.

The two simplest things you can do to detoxify the body are to drink a lot water daily (at the very least two liters a day) and to eat an adequate amount of fiber. In addition, there are many nutrients you can take to help the body continually eliminate heavy metals and toxins that cause oxidative stress and alter hormones such as Cleanse for Life, for info click here. For example, green tea can help detoxify liver and it is known for preventing liver damage from alcohol. Carnitine is a powerful brain nutrient that not only supports fat burning by helping fat enter the cell to be burned for energy, but also helps detoxify the brain of heavy metals.

A little gem I’ll throw out there for you is that if you pair carnitine with adequate omega-3 fat intake, you’ll raise levels of the hormone dopamine, which will make you feel more motivated and have more self-initiative—essential for trying to lose weight.

The ginkgo plant is another excellent detoxifier and it has a great track record, having been used in traditional medicine for over 4,000 years. Ginkgo resists pollution, meaning that it will help you to detoxify contaminants from the body and resist the stress that is caused by toxins. Other potent detoxifiers include omega-3 fish/krill oils, probiotics, and performing high levels of physical activity and exercise. The key is to focus on flushing the body regularly by doing the little things such as drinking lots of water, eating fiber and supplementing with nutrients that provide multiple benefits including detoxification.

Tip #10: Don’t Forget To Strength Train. Be As Active As Possible
There’s no reason you should not be doing some sort of strength training if you are trying to lose weight. In fact, there’s no reason that anyone should not be doing strength training. Even people who are confined to a bed in a nursing home can perform some form of resistance training. There’s nothing bad about training as long as you learn proper form and have a reasonable plan of progression.

Strength training is essential for weight loss because it will burn fat, burn calories, improve insulin sensitivity and glucose uptake, and make you stronger. Strength training is preferred over aerobic training that is done on cardio machines such as a treadmill because it will produce a more favorable muscle building response and burn more fat.

Additionally, there’s evidence that aerobic training done on cardio machines blunts insulin sensitivity and glucose delivery into the cell, meaning that if you perform it, you may actually be putting yourself at greater risk of diabetes and inducing less fat burning. This is because the electromagnetic frequency that is produced by electrical power, as in the case of with an electrical treadmill or bike, has been found to increase plasma glucose and decrease insulin sensitivity, causing fat gain, poor metabolism, and accelerating nerve damage and cellular aging. Actually, any time you are exposed to dirty electricity or the electromagnetic field from electrical power (from TVs, appliances, cell and cordless phones, wireless routers, cell phone towers), you put yourself at risk for decreased insulin health. The point is to minimize exposure, particularly when you are exercising and need to maximize energy production.

Another reason to perform strength training instead of aerobic exercise is that research shows “the effect of regular aerobic exercise on body fat is negligible,” according to one research review. Even though aerobic exercise doesn’t cause much fat loss, anaerobic interval training at a higher intensity than steady-state aerobic training is well proven to induce significant fat loss. Similarly, strength training targets the anaerobic energy system and will help you lose fat. Plus, strength training improves lean mass and builds muscle, which in turn raises your metabolism to support a leaner body composition.

For best results, perform a periodized strength training program that changes regularly so you are not doing the same thing for longer than two months. Include anaerobic intervals and you’ll improve your conditioning, burn fat, lose weight, and improve cardiovascular and pulmonary health. Try to be as active as possible throughout the day because regular physical activity is shown to maintain insulin health, while being sedentary even if you workout once a day, causes “robust negative changes” in post-meal glucose uptake, according to one study. Less glucose uptake means that glucose or sugar that is in your blood is not getting into the cell to be used for energy. Rather, the glucose is hanging out in the blood and will be turned into fat in the body. In the meantime it will cause nerve damage and aging.

Charles Poliquin

Charles Poliquin is one of the most accomplished strength coaches in the world. He has designed workouts for Olympic medalists in 17 different sports, world record holders in 10 different sports, and professional athletes in the NBA, NFL, NHL, MLB, and UK Premier League. He has lectured or consulted for a variety of high-profile organizations such as the US Secret Service, Walt Disney Corporation and the World Swimming Congress. More info visit his website at http://www.charlespoliquin.com.

Information in brackets added by myself, Tyron.
References:

Tip #1 and #2

Bourre, J.M. Where to Find Omega-3 Fatty Acids and How Feeding Animals with Diet Enriched in Omega-3 Fatty Acids to Increase Nutritional Value of Derived Products for Human: What is Actually Useful? The Journal of Nutrition, Health, and Aging. 2005. 9(4), 232-242.

Simopoulos, A., Norman, H., Gillespie, J. Purslane in Human Nutrition and its Potential for World Agriculture. World Review for Nutrition and Dietetics. 1995. 77, 47–74.

Simopoulos, A., Salem, N. Purslane: A Terrestrial Source of Omega-3 Fatty Acids. New England Journal of Medicine. 1986. 315, 833-837.

Ros, E., Mataix, J. Fatty Acid Composition of Nuts: Implications for Cardiovascular Health. British Journal of Nutrition. 2006. 96(Suppl 2), 29-35.

Tip #3

Burcelin, R., Serino, M., et al. Gut Microbiota and Diabetes: From Pathogenesis to Therapeutic Perspective. Acta Diabetologia. 2011. 48(4), 257-273.

Messaoudi, M., Lalonde, R., et al. Assessment of Psychotropic-Like Properties of a Probiotic Formulation (Lactobacillus Helveticus R0052 and Bifidobacterium longum R0175 in Rats and Human Subjects. British Journal of Nutrition. 2011. 105, 755-764.

Andreasen, A., Larsen, N., et al. Effects of Lactobacillus Acidophilus NCFM on Insulin Sensitivity and the Systemic Inflammatory Response in Human Subjects. British Journal of Nutrition. December 2010. 104(12), 1831-1838.

Tip # 4

Kadooka, Y., Sato, M., et al. Regulation of Abdominal Adiposity by Probiotics (Lactobacillus Gasseri SBT2055) in Adults with Obese Tendencies in a Randomized Controlled Trial. European Journal of Clinical Nutrition. 2010. 64, 636-643.

Chen, J., Wang, R., et al. Bifidobacterium Adolescentis Supplementation Ameliorates Visceral Fat Accumulation and Insulin Sensitivity in an Experimental Model of the Metabolic Syndrome. British Journal of Nutrition. September 2011. 14, 1-6.

Penha, L., Pardo, P., et al. Effects of Probiotic Supplementation on Liveweight Gain and Serum Cortisol Concentration in Cattle. Veterinary Record. May 2011. 168(20), 538. Published Ahead of Print.

Hayasaka, S., Kodama, T., Ohira, A. Retinal Risks of High-Dose Ornithine Supplements: A Review. British Journal of Nutrition. September  2011. 106(6), 801-811.

Rishi, P., Bharrhan, S., et al. Effect of Lactobacillus Plantarum and L-Arginine Against Endotoxin-Induced Liver Injury in a Rat Model. Life Sciences. September 2011. Published Ahead of Print.

Sohail, M., Liaz, A., et al. Alleviation of Cyclic Heat Stress in Broilers by Dietary Supplementation of Mannan-Oligossaccharide and Lactobacillus-Based Probiotic: Dynamics of Cortisol, Thyroid hormones, Cholesterol, C-Reactive Protein, and Humoral Immunity. Poultry Science. September 2010. 89(9), 1934-1938.

Tip #5

Pali-Scholl, I., Herzog, R., et al. Antacids and Dietary Supplements with an Influence on the Gastric pH Increase the Risk for Food Sensitization. Clinical and Experimental Allergy. July 2010. 40(7), 1091-1098.

Tip #6

Jakobsen, L., Kondrup, J., Zellner, M., Tetens, I., Roth, E. Effect of a High Protein Meat Diet on Muscle and Cognitive Functions: A Randomized Controlled Dietary Intervention Trial in Healthy Men. Clinical Nutrition. 2011. 30(3), 303-311.

Tip #8

Smith, M., May, H., et al. Vitamin D Excess is Significantly Associated with Risk of Atrial Fibrillation. Circulation. November 2011. Special Supplement from Annual American Heart Association Conference. http://circ.ahajournals.org/cgi/content/meeting_abstract/124/21_MeetingAbstracts/A14699?sid=d8af4ab7-eb16-4360-8e52-179868c1e439

Schwalfenberg, G., Genuis, S. Vitamin D Supplementation in a Nursing Home Population. Molecular Nutrition and Food Research. August 2010. 54(8), 1072-1076.

Slentz, C., Batean, L., et al. Effects of Aerobic Vs. Resistance Training on Visceral and Liver Fat Stores, Liver Enzymes, and Insulin Resistance by HOMA in Overweight Adults. American Journal of Physiology. November 2011. 301(5), E1033-1039.

Koul, P., Ahmad, S., et al. Vitamin D Toxicity in Adults: A Case Series from an Area with Endemic Hypovitaminosis D. Oman Medical Journal. 2011. 26(3), 201-204.

Carlton, S., Clopton, D., et al. Vitamin D Deficiency: Appropriate Replenishment Therapies and the Effects of Vitamin D Toxicity. Consult Pharm. March 2010. 25(3), 171-177.

Jacobsen, R., Hronek, B., et al. Hypervitaminosis D Associated with a Vitamin D Dispensing Error. Annals of Pharmacotherapy. October 2011. 45(1), e52.

Tip #9

Rayssiguier, R., Libako, P., Nowacki, W., Rock, E. Magnesium Deficiency and Metabolic Syndrome: Stress and Inflammation May Reflect Calcium Activation. Magnesium Research. 2010. 23(2), 73-80

Ahmed, H. Modulatory Effects of Vitamin E., Acetyl-L-Carnitine and A-Lipoic acid on New Potential Biomarkers for Alzheimer’s Disease in Rat Model. Experimental and Toxicological Pathology. December 2010. 23.

Tip #10

Boutcher, Stephen. High-Intensity Intermittent Exercise and Fat Loss. Journal of Obesity. 2011. Published Ahead of Print.

Trapp, E., Chisholm, D., et al. The Effects of High-Intensity Intermittent Exercise Training and Fat Loss and Fasting Insulin Levels of Young Women. International Journal of Obesity. 2008. 32(4), 684-691.

Havas, Magda. Dirty Electricity Elevates Blood Sugar among Electrically Sensitive Diabetics and May Explain Brittle Diabetes. Electromagnetic Biology and Medicine. 2008. 27, 135-146.

De Vocht, Frank. “Dirty Electricity”: What, Where, and Should We Care? Journal of Exposure Science and Environmental Epidemiology. 2010. 20, 399-405.

Milham, Samuel. Attention Deficit Hyperactivity Disorder and Dirty Electricity. Journal of Developmental and Behavioral Pediatrics. September 2011. Published Ahead of Print.

Mikus, C., Oberlin, D., Libla, J., Taylor, A., Booth, F., Thyfault, J. Lowering Physical Activity Impairs Glycemic Control in Healthy Volunteers. Medicine and Science in Sports and Exercise. June 2011. Published Ahead of Print.

Thyfault J., Booth, F., Lack of Regular Physical Exercise or too Much Inactivity. Current Opinion in Clinical Nutrition and Metabolic Care. July 2011. 14(4), 374-378.
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