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Open AccessArticle

Larger Countermovement Increases the Jump Height of Countermovement Jump

Department of Sports, Centro de Estudios Universitarios Cardenal Spinola CEU, Bormujos 41930, Spain
Biomechanics Research Unit, University of Limerick, Limerick V94 T9PX, Ireland
Physical Performance & Sports Research, Universidad Pablo de Olavide, Sevilla 41013, Spain
Author to whom correspondence should be addressed.
Sports 2018, 6(4), 131;
Received: 19 September 2018 / Revised: 19 October 2018 / Accepted: 21 October 2018 / Published: 26 October 2018
Simulation studies show that jump performance can be improved by increasing the depth of countermovement. The purpose of this study was to determine how modifications to the depth of countermovement lead to changes in jump height and the biomechanical parameters related to center of mass displacement and force application. Twenty-nine competitive males participated in this investigation, performing nine countermovement jumps using a self-selected, a deep, and a shallow crouch position. Jump height and relative net vertical impulse were greater when using a deeper crouch position, compared to the self-selected position. Force application variables did not report differences, when the deeper countermovement was compared to the self-selected countermovement; although, the shallower countermovement showed higher values in force application parameters. The deeper countermovement jumps achieved higher velocities of the center of mass than the self-selected jumps, while shallower jumps produced lower velocities than the self-selected jumps. The results of this investigation were consistent with simulation studies, showing that deep countermovements increase net vertical impulse, leading to a higher jump height. In addition, the maximum downward velocity was higher, when the crouch position was deeper. Conversely, force-applied variables did not change when jump performance was increased. View Full-Text
Keywords: jumping; force plates; kinematics; kinetics; performance; basketball jumping; force plates; kinematics; kinetics; performance; basketball
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Sánchez-Sixto, A.; Harrison, A.J.; Floría, P. Larger Countermovement Increases the Jump Height of Countermovement Jump. Sports 2018, 6, 131.

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