Influence of recovery time after warm-up on vertical jump performance in trained prepubertal and postpubertal male athletes

Document Type

Journal Article

Publication Title

Journal of Strength and Conditioning Research

Publisher

National Strength and Conditioning Association / Wolters Kluwer

School

Centre for Human Performance / School of Medical and Health Sciences

RAS ID

61951

Comments

Ferrari, A., Baquet, G., Blazevich, A. J., & Ratel, S. (2023). Influence of recovery time after warm-up on vertical jump performance in trained prepubertal and postpubertal male athletes. Journal of Strength and Conditioning Research, 37(10), 1985-1992. https://doi.org/10.1519/JSC.0000000000004487

Abstract

ABSTRACT: Ferrari, A, Baquet, G, Blazevich, AJ, and Ratel, S. Influence of recovery time after warm-up on vertical jump performance in trained prepubertal and postpubertal male athletes. J Strength Cond Res 37(10): 1985-1992, 2023-The aim of this study was to examine the concurrent effects of maturity status and recovery delay after a standardized dynamic warm-up on vertical jump performance. Thirteen prepubertal boys (9.4 ± 1.1 years) and 12 postpubertal boys (16.6 ± 0.8 years) were tested on squat jump (SJ) and drop jump from 30 cm (DJ 30 ) before and after a standardized, 8-minute, dynamic warm-up, including low-intensity, nonspecific dynamic exercises progressing to maximal, specific exercises, over 6 separate occasions. In each session, subjects jumped at 0, 1.5, 3, 5, 7, or 10 minutes after warm-up in a randomized order. Measurements included SJ height, DJ 30 height, ground contact time (GCT), and reactive strength index (RSI) from DJ 30 . The results revealed no significant recovery time × maturity group interaction effects for SJ height ( p = 0.36), DJ 30 height ( p = 0.45), GCT ( p = 0.75), or RSI ( p = 0.09), meaning that maturity status did not have a significant effect on changes in vertical jump performance after the warm-up. However, there were significant time effects for SJ height, DJ 30 height, and RSI ( p < 0.001 for all), with DJ 30 height and RSI increasing significantly by 16.9% at 1.5 minutes ( p < 0.001) and SJ height increasing significantly by 12.0% until 3 minutes after the warm-up ( p < 0.001). To conclude, the standardized dynamic warm-up had beneficial effects on vertical jump performance within the first 3 minutes after completion of the intervention. However, vertical jump performance after the warm-up was not dependent on the children's maturity status. Copyright © 2023 National Strength and Conditioning Association.

DOI

10.1519/JSC.0000000000004487

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