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When we lack balance in protein, carbohydrates and fats are bodies adjust and can use all three as a source of fuel for muscle contraction and cellular energy. Though energy is needed weight loss vitamin for all cellular function, the focus of this article is muscle contraction and body composition. All muscle contraction derives energy from adenosine triphosphate or ATP. The primary source of ATP comes from glucose, which is stored in the muscles weight loss vitamin and liver as glycogen ( glucose and water ). Muscle contraction during anaerobic activity ( resistance training ) can use glycogen directly to weight loss vitamin form ATP. The process is anaerobic glycolysis, meaning it can use the glucose as energy with very little oxygen ( 90% glucose, 5% oxygen and 5% fatty acid ). Our muscles only store enough ATP for short periods of muscle contraction, when depleted leads to muscle failure.
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