대퇴이두 운동 실수 top5 - 11 - 20160222182848

대퇴이두 운동 실수 top5 - 12 - 20160222182848대퇴이두 운동 실수 top5 - 13 - 20160222182848

 

 

MISTAKE #5: GOING TOO FAST AND TOO SHORT

EXPLANATION

Too fast and too short commonly pair up, because when you’re reducing the time of your reps, you’re likely reducing their range of motion, as well. Bodybuilders tend to work the midrange of leg curls, missing the crucial stretches and contractions.