title: Power and Speed Differences Between Brazilian Paralympic Sprinters With Visual Impairment and Their Guides.
abstract: 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.
authors.affiliation: 1 Nucleus of High Performance in Sport.
authors.forename: Lucas
authors.initials: L
authors.lastname: Pereira
authors.affiliation: 2 Brazilian Paralympic Committee.
authors.forename: Ciro
authors.initials: C
authors.lastname: Winckler
authors.affiliation: 1 Nucleus of High Performance in Sport.
authors.forename: Cesar C Cal
authors.initials: CC
authors.lastname: Abad
authors.affiliation: 1 Nucleus of High Performance in Sport.
authors.forename: Ronaldo
authors.initials: R
authors.lastname: Kobal
authors.affiliation: 1 Nucleus of High Performance in Sport.
authors.forename: Katia
authors.initials: K
authors.lastname: Kitamura
authors.affiliation: 2 Brazilian Paralympic Committee.
authors.forename: Amaury
authors.initials: A
authors.lastname: Veríssimo
authors.affiliation: 1 Nucleus of High Performance in Sport.
authors.forename: Fabio Y
authors.initials: FY
authors.lastname: Nakamura
authors.affiliation: 1 Nucleus of High Performance in Sport.
authors.forename: Irineu
authors.initials: I
authors.lastname: Loturco
mesh_terms: D054874:Athletic Performance / Q000502:physiology*; D001938:Brazil; D005080:Exercise Test; D005260:Female; D006801:Humans; D008297:Male; D059385:Plyometric Exercise; D012420:Running / Q000502:physiology*; D019987:Persons with Visual Disabilities; D055815:Young Adult
keywords: athletes with physical impairments; athleticism; performance; plyometrics; track and field