Effects of three different combined training interventions on jump, change of direction, power performance, and inter-limb asymmetry in male youth soccer players

Moreno-Azze, Alejandro, Arjol-Serrano, José Luis, Falcón-Miguel, David ORCID: https://orcid.org/0000-0001-9252-6971, Bishop, Chris ORCID: https://orcid.org/0000-0002-1505-1287 and Gonzalo-Skok, Oliver (2021) Effects of three different combined training interventions on jump, change of direction, power performance, and inter-limb asymmetry in male youth soccer players. Sports, 9 (12) , e158. pp. 1-14. ISSN 2075-4663 [Article] (doi:10.3390/sports9120158)

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Abstract

Background: This study compared the effects of performing different unilateral combined training interventions on diverse vertical and horizontal jumping performance parameters, change of direction, concentric and eccentric mean power, and their associated inter-limb asymmetries in young soccer players. Methods: Forty-seven young male soccer players (age: 15.5 ± 0.9 years) were distributed into three groups. Two groups performed the same training volume with both legs, beginning with the weaker leg (Stronger Volume Weaker leg group (SVW), n = 14) or with the stronger leg (Stronger Volume Stronger leg group, (SVS), n = 15). The third group executed double the volume with the weaker leg and also commenced with such leg (Double Volume Weaker leg group (DVW), n = 16) during a 10-week period. Pre- and post-intervention tests included a single-leg hop, single-leg lateral hop, triple hop, bilateral and unilateral countermovement jumps, a change of direction speed test, concentric and eccentric mean power during the lateral squat test, and their corresponding asymmetries. Results: Single-leg hop weaker leg, triple hop weaker leg, and bilateral countermovement jump improvements were achieved in the SVW (ES: 0.29 to 0.46) and DVW (ES: 0.55 to 0.73) groups. Between-groups analysis showed better results in single-leg hop in the SVW and DVW compared to group SVS. The DVW group achieved better improvements in countermovement jump in comparison to groups SVS and SVW. Conclusions: Groups that started with the weaker leg seemed to achieve a greater volume of significant changes than when starting with the stronger leg. Performing a double volume on the weaker limb does not guarantee further improved performance compared to other groups.

Item Type: Article
Keywords (uncontrolled): between-limbs asymmetry, injury prevention, resistance training
Research Areas: A. > School of Science and Technology > London Sport Institute
Item ID: 34225
Notes on copyright: Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Depositing User: Jisc Publications Router
Date Deposited: 29 Nov 2021 12:01
Last Modified: 07 Jan 2022 09:44
URI: https://eprints.mdx.ac.uk/id/eprint/34225

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