... supplied to the muscle fibres. The energy needed to move the protein filaments in the muscle comes from the burning of calories. Calories are found in carbohydrates, fat, proteins, and alcohol. Alcohol, however, cannot be used as fuel for muscles, unless it has first been stored in the form of ... while exercising, your muscles fibres will use themselves to create energy. In normal cases though, carbohydrates and fat are the main energy suppliers. The body stores fat simply as fat, all over the body, and carbohydrates as glycogen, found in the muscles themselves. When the muscles contract...

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... : chicken breast, egg whites, turkey breasts, and milk. In addition to the protein, carbohydrates will be needed as well; carbohydrates are what help one to lift those heavy weights. Many people like to refer carbohydrates as the "fuel" for muscles because it gives the body energy. A few examples of carbohydrates would be: whole wheat bread, cereals, rice, and granola bars. Believe it or not ... ...

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• Grade Level: High School

... the way you run? The major energy system used during the Tough Guy and Gal Challenge was the aerobic system. This energy system relies on the breaking down of fats, carbohydrates allowing it to produce ATP but because this system depends on oxygen to eliminate carbs and fat, lactic acid doesn't build up therefore it has no effect on your performance ... ...

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• Grade Level: High School

... , there are more negative effects that overpower these benefits. Low carbohydrate diets are synonymous with starvation and result in the depletion of nutrients in the system. The absence of adequate carbohydrates effects the muscular system and the liver glycogen stores (site pg 72). Essentially affecting the whole system where energy is created through ATP(textbook). This can result in muscular weakness ... ...

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• Grade Level: Undergraduate

... phosphate molecule. Creatine supplies the missing phosphate. "ATP and creatine phosphate are the body's immediate sources of energy," said Bob Girandola, a professor in exercise science. Other sources, like fats and carbohydrates, have to be metabolized first before they can be used as energy, he said. However, the body has a limited supply of ATP and creatine phosphate, and when the reserve is ... ...

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