1. Relation between isokinetic torque, jump and sprint in high-level soccer player
- Author
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Dauty, M., Bryand, F., and Potiron-Josse, M.
- Subjects
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ISOKINETIC exercise , *SOCCER players - Abstract
Purpose – The aim of this study is to appreciate the relation between sprint, jump and knee isokinetic torque in high-level soccer players.Methods – Twenty soccer players (first french national division) were evaluated by sprint and jump tests. Extensors and flexors isokinetic torque was measured by a Cybex Norm dynamometer. Relations between sprints, jumps and isokinetic peak torque were appreciated after correlation analysis.Results – Jumps are correlated with the extensors concentric peak torque at the speed of 180° s
−1 when values were corrected by weight (Squat Jump: r= 0.507; Countermovement Jump: r= 0.649; Vertical Jump: r= 0.496). Sprints are correlated with the extensors concentric peak torque at the speed of 180° s−1 when values were corrected by weight (10 and 20 m fixed departure sprint: r= − 0.427 and− 0.548; 10 and 20 m thrown departure sprint: r= − 0.406 and− 0.480). Furthermore, sprints with fixed departure are conversely correlated with the flexors eccentric peak torque at the speed of 60° s−1 (r= 0.546 and 0.478) doubtless because a mechanism of knees protection.Conclusions – According to these causal relations, knee extensors and flexors strengthening is recommended for high-level soccer players with the aim of improving sprints and jumps. [Copyright &y& Elsevier]- Published
- 2002
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