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Revista Brasileira de Medicina do Esporte

Print version ISSN 1517-8692On-line version ISSN 1806-9940


D'ALESSANDRO, Rogério Leão et al. Analysis on the association between isokinetic dynamometry of the knee's articulation and one-leg horizontal jump, hop test, in volleyball athletes. Rev Bras Med Esporte [online]. 2005, vol.11, n.5, pp.271-275. ISSN 1517-8692.

The isokinetic dynamometer has been widely used to assess the muscle performance. Due to its high cost, the use of such device in clinical practice becomes unfeasible. The one-leg hop is a test to evaluate the strength and reliance on lower limbs that may be used in routine clinical trials at low cost, being no time-consuming. The present study aimed to assess whether there is any association between the hop test and the muscular function data provided by the knee evaluations at the isokinetic dynamometer in professional athletes. MATERIAL AND METHODS: Thirty volleyball players (8 women and 22 men) were evaluated by means of isokinetic dynamometer at speeds of 60º/s and 300º/s, and through the hop test at distance. RESULTS: It was observed a low correlation between the deficit of the peak torque (r = 0,441) and the work (r = 0,610) at 60º/s, with a deficit for hopped distance between lower limbs. Moreover, it was found a low correlation between the muscle performance and the distance reached during the hop test, except for women in the right lower limb. CONCLUSION: The current study has shown that the hop test cannot be used to replace isokinetic dynamometric tests for functional tests.

Keywords : Hop test; Isokinetic; Sports; Performance.

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