Post-activation performance enhancement in sprinters: effects of hard versus sand surfaces

Pereira, Lucas A., Boullosa, Daniel, Moura, Túlio B. M. A., Mercer, Valter P., Fernandes, Victor, Bishop, Chris ORCID logoORCID: and Loturco, Irineu (2022) Post-activation performance enhancement in sprinters: effects of hard versus sand surfaces. Journal of Human Kinetics, 82 (1) . pp. 173-180. ISSN 1899-7562 [Article] (doi:10.2478/hukin-2022-0062)

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Abstract 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.

Item Type: Article
Keywords (uncontrolled): Physiology (medical), Physical Therapy, Sports Therapy and Rehabilitation
Research Areas: A. > School of Science and Technology > London Sport Institute > Strength and Conditioning at the London Sport Institute
Item ID: 35062
Notes on copyright: © 2022 Lucas A. Pereira, Daniel Boullosa, Túlio B. M. A. Moura, Valter P. Mercer, Victor Fernandes, Chris Bishop, Irineu Loturco, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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Depositing User: Jisc Publications Router
Date Deposited: 16 May 2022 11:34
Last Modified: 17 Feb 2023 15:09

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