Pick up any packaged food, and you will see the number of calories listed on the label. Of course, nonpackaged foods, such as fresh produce, have calories, too; they just don’t carry labels telling you how many. Most people know that the body uses the calories contained in foods for energy and that, if they consume more calories than they expend, they will gain weight. (They also know that, if they do the opposite, they will lose weight.) Nonetheless, what exactly is a calorie, why do foods have calories and how does the body use them?
By Jennifer Kofoed and Len Kravitz, PhD
ACSM Review: Progression Models in Resistance Training
Following some special guidelines can help you maximize the benefits of resistance training for your healthy adult clients.
has been shown to be task-specific; muscular performance adaptation is influenced by movement patterns and performance speed and specific to the stimuli applied t...
Definitely praise your clients for engaging in even the smallest amount of physical activity. However, don’t let them think that it’s okay to do only the minimum. A recent Harvard study of more than 40,000 men ages 40 to 75 suggested that, the higher the intensity of one’s exercise, the greater one’s chance of avoiding heart disease.
Resistance Exercise and Fat Metabolism
Melanson, E.L., et al. 2002. Resistance and aerobic exercise have similar effects on 24-hour nutrient oxidation. Medicine & Science in Sports & Exercise, 34 (11), 1793-800.
If you have promoted stability ball exercises for strength training, you may want to adjust your recommendation. A study published in the August 2002 issue of the Journal of Strength and Conditioning Research suggests that they may not be so effective in this regard.
Comparative Effects of Four
Dietary Programs on Weight Loss
and Coronary Risk Factors
Fleming, R.M. 2002. The effect of high-, moderate- and low-fat diets on weight loss and cardiovascular disease risk factors. Preventive Cardiology, 5 (3), 110-8.