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young blonde girl warms-up with exercises on the playground
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Young Blonde Girl Warms-up With Exercises On The Playground

One misconception is that muscle tissue will turn into fat tissue once a person stops exercising. This is not literally true—fat tissue and muscle tissue are fundamentally different—but the common expression that "muscle will turn to fat" is truthful in the sense that catabolism of muscle fibers for energy can result in excess glucose being stored as fat. Moreover, the composition of a body part can change toward less muscle and more fat, so that a cross-section of the upper-arm for example, will have a greater area corresponding to fat and a smaller area corresponding to muscle. This is not muscle "turning into fat" however—it is simply a combination of muscle atrophy and increased fat storage in different tissues of the same body part. The muscle is being replaced by fat. Another element of increased fatty deposits is that of diet, as most trainees will not significantly reduce their diet in order to compensate for the lack of exercise/activity.
Excessive exercise
Exercise is a stressor and the stresses of exercise have a catabolic effect on the body—contractile proteins within muscles are consumed for energy, carbohydrates and fats are similarly consumed and connective tissues are stressed and can form micro-tears. However, given adequate nutrition and sufficient rest to avoid overtraining, the body's reaction to this stimulus is to adapt and replete tissues at a higher level than that existing before exercising. The results are all the training effects of regular exercise: increased muscular strength, endurance, bone density, and connective tissue toughness.

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Filename:318728.jpg
Album name:Babes
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Keywords:#young #blonde #girl #warms #up #exercises #playground
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Date added:Sep 21, 2010
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