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Título
Post-Activation Performance Enhancement in Sprinters: Effects of Hard Versus Sand Surfaces
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Journal of Human Kinetics
Cita Bibliográfica
Pereira, L.; Moura, T.; Mercer, V.; Fernandes, V.; Bishop, C.; Loturco, I.; Boullosa Álvarez, D. A. (2022). Post-Activation Performance Enhancement in Sprinters: Effects of Hard Versus Sand Surfaces. Journal of Human Kinetics, 82, 173-180
Editorial
Termedia
Fecha
2022
ISSN
1640-5544
Resumen
[EN] This study aimed to compare the post-activation performance enhancement induced by successive
drop-jumps performed on hard and sand surfaces in sprint and jump performance of top-level sprinters.
Athletes were tested on two occasions. On each visit they were allocated to one of the experimental
protocols, which consisted of performing 2x5 drop-jumps from a box with the height of 60-cm on hard or
sand surfaces in randomized order, seven days apart. Prior to and 7 and 15-min after executing drop-jumps,
sprinters performed countermovement jumps and 60-m sprint tests. Differences between sprinting splits and
surfaces were assessed using a two-way analysis of variance with repeated measures. No significant
differences in jump height or sprint time were observed (p>0.05), regardless of the surface used (i.e., hard or
sand) during the conditioning activity (effect sizes [95% confidence intervals] ranging from 0.01 [-0.84;0.84]
to 0.44 [-0.42;1.27]). Performing drop-jumps on sand or hard surfaces immediately before maximum
sprinting bouts does not provide any advantage or disadvantage to top-level sprinters. Sprint coaches may
prescribe short-plyometric training activities on sand surfaces even close to competitions, bearing in mind
that this strategy will not compromise sprint-specific performance
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