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Motriz: Revista de Educação Física

versão On-line ISSN 1980-6574

Resumo

PEREIRA, Gleber et al. Vertical jump fatigue does not affect intersegmental coordination and segmental contribution. Motriz: rev. educ. fis. [online]. 2014, vol.20, n.3, pp.303-309. ISSN 1980-6574.  https://doi.org/10.1590/S1980-65742014000300009.

The aim of this study was to describe the intersegmental coordination and segmental contribution during intermittent vertical jumps performed until fatigue. Seven male visited the laboratory on two occasions: 1) the maximum vertical jump height was determined followed by vertical jumps habituation; 2) participants performed intermittent countermovement jumps until fatigue. Kinematic and kinetic variables were recorded. The overall reduction in vertical jump height was 5,5%, while the movement duration increased 10% during the test. The thigh segment angle at movement reversal significantly increased as the exercise progressed. Non-significant effect of fatigue on movement synergy was found for the intersegmental coordination pattern. More than 90% of the intersegmental coordination was explained by one coordination pattern. Thigh rotation contributed the most to the intersegmental coordination pattern, with the trunk second and the shank the least. Therefore, one intersegmental coordination pattern is followed throughout the vertical jumps until fatigue and thigh rotation contributes the most to jump height.

Palavras-chave : intermittent exercise; principal component analysis; psychomotor performance.

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