Power and Speed Differences Between Brazilian Paralympic Sprinters With Visual Impairment and Their Guides

in Adapted Physical Activity Quarterly

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Lucas PereiraNucleus of High Performance in Sport

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Ciro WincklerBrazilian Paralympic Committee

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Cesar C. Cal AbadNucleus of High Performance in Sport

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Ronaldo KobalNucleus of High Performance in Sport

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Katia KitamuraNucleus of High Performance in Sport

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Amaury VeríssimoBrazilian Paralympic Committee

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Fabio Y. NakamuraNucleus of High Performance in Sport

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Irineu LoturcoNucleus of High Performance in Sport

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This study compared the physical performance of Paralympic sprinters with visual impairments (PSVI) and their guides in jump and sprint tests. Ten PSVI and guides executed squat jumps (SJ), countermovement jumps (CMJ), horizontal quintuple right/left-leg jumps (QR/QL), decuple jumps (DEC), and 50-m-sprint tests. The guides were superior to the PSVI in SJ (35.9 ± 6.3 vs 45.6 ± 3.2 cm), CMJ (38.5 ± 6.2 vs 46.7 ± 4.0 cm), QR (9.2 ± 1.9 vs 12.7 ± 1.0 m), QL (9.4 ± 1.9 vs 13.1 ± 0.8 m), DEC (21.0 ± 3.3 vs. 27.2 ± 1.7 m), and 50-m sprints (8.4 ± 0.4 vs 7.6 ± 0.5 m/s). The average differences between the PSVI and guides in the sprint tests was 10%, range 1–24%. Therefore, substantial differences in sprinting speed (in favor of the guides) between the peers were observed. Coaches should develop strategies to train the guides to improve their muscle-power performance.

Pereira, Cal Abad, Kobal, Kitamura, Nakamura, and Loturco are with the Nucleus of High Performance in Sport—NAR, São Paulo, Brazil. Winckler and Veríssimo are with the Brazilian Paralympic Committee, São Paulo, Brazil.

Address author correspondence to Irineu Loturco at irineu.loturco@terra.com.br
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