PER4M Vertical Jump Trainer

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Perfect for basketball, volleyball, track & field and all manner of athletic and resistance training, this tool maximizes your vertical and horizontal explosiveness by strengthenin g quads, hips and glutes—the muscles that contribute most to jumping and vertical leap. Increase lower body dynamic strength as a result of adding intensity and consistent positive and negative resistance to jumping, squatting and all manner of lower body drills and exercises. It Comes with 10 instructional drill cards for great workout ideas. Show more