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According to my personal trainer, when working out muscles are torn down, in a manner of speaking, and when the body repairs them, it repairs them back stronger. Kind of like how a callous forms on your skin.


A good diet is also key in helping to repair and promote muscle growth.

AnswerMuscle growth happens when you push the muscle you are exercising to the brink and just beyond it's present capacity. Then, while you sleep, the muscle fibers signal the brain that "This part of the body needs more muscle cells!" and the brain gets right on it. This also why intensity is always the most important part of any resistance training program. And you must incorporate proper durations of recovery (meaning, zero weight training) in between workouts for new muscle to properly build up. Otherwise your body will burn out and your muscles decrease.
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โˆ™ 2010-03-30 09:40:18
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Q: How does muscle build after a workout?
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