A member asked:

Why is repetition important during exercises?

A doctor has provided 1 answer

Fatigue the muscle: Repetitions performed to muscle failure ultimately help the muscles strengthen and grow. High reps (12-15 per set) for definition, moderate reps (6-8 per set) for size, and low reps (2-4 per set) for strength. Remember, if you get to this target number easily, you're not working the muscles hard enough to achieve a benefit.

Answered 11/12/2014

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