Depends: You don't really ever gain any muscle with exercise you just increase the size of the muscle you already have. Much much as you gain though depends on the type of exercise you do, how often you work out, how much time you spend working out, etc.
Answered 1/30/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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