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Compare the muscle activation patterns of the quadricep-hamstring during drop jumps with increasing demands of drop heights.Observational.University biomechanics laboratory.Fifteen male and eight female college physical education students.Electromyographic activity of the rectus femoris (RF) and biceps femoris (BF) during the landing and takeoff phase of drop jumps from 20 to 60-cm heights. The ground...
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