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Excerpt — Exercise

Nutrition Before Resistance Training

The main purpose of the preexercise meal, consumed within an hour or less before resistance training, is to hydrate the athlete, top off glycogen stores, and decrease hunger.

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Protein in Exercise and Sport

Many people think that since muscle fibers are made up of protein, building and maintaining muscle must require large amounts of protein consumed from the diet. In reality, dietary protein is just one part of the equation to promote an optimal environment for muscles to adapt to physical training.

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Dehydration and Hypohydration

Whereas dehydration refers to the process of losing body water, hypohydration is the uncompensated loss of body water. Depending on the amount of body fluid lost, hypohydration can be mild, moderate, or severe.

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Nutrients

There are six groups of nutrients: carbohydrate, lipids, protein, vitamins, minerals, and water. Alcohol is not a nutrient, but it does contain energy (calories).

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