Comparative study of the force-velocity profile with different starting positions of the vertical jump in dance
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Discipline/sActividad Física y Deporte
The purpose of this study was to compare the mechanical variables of the force-velocity profile during the jumpstarting from the en dehors position versus the parallel position in students of the university degree in Dance. The sample consisted of 22 dancers with 10.7±5.96 years of experience. A vertical jump test was performed in which each participant performed eight jumps with progressive increases in load, alternating the positions of feet indehors and in parallel. All the jumps were recorded with an iPad at 240 Hz, and later analyzed with the application for iOS MyJump2. The following variables were analyzed: jump height, maximum theoretical force, maximum theoretical velocity, maximum power, and force-velocity profile. The results showed a difference between thejump height starting from the en dehors position versus the parallel position (en dehors: 18.8±3.44 vs parallel:20.3±3.57 cm; p=0.002). The analysis of the force-velocity profile showed a force deficit in both situations, ...