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Hypertrophy

By , About.com Guide

Updated March 05, 2009

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

Definition: Hypertrophy is a fancy term for increased muscle fiber size. You can increase muscle size by strength training and completing 8-10 reps of each exercise, using enough weight that you can ONLY complete the desired number of reps. Building mass also requires eating more calories than you burn.

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