For a drop jump -- jump down single leg -- place the aerobic step on a firm ground and stand on it length side. Now pull your right leg up by bending your knee and hold position. Next, jump of the aerobic step and land on your left foot only, using your right foot get back on the aerobic step and jump again with your left leg. Repeat this 3 to 5 times on one leg and then change sides for completing a routine of drop jump -- jump down single leg.
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