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Title: Comparison of Three Eccentric Overload Training Strategies on Power Output and Interlimb Asymmetry in Youth Soccer Players
Authors: Moreno-Azze, Alejandro
Arjol-Serrano, José Luis SCOPUSID
Bishop, Chris John ORCID SCOPUSID
Gonzalo-Skok, Óliver ORCID SCOPUSID
Keywords: Eccentric training; Resistance training; Injury prevention
Issue Date: Aug-2021
Publisher: MDPI
Citation: Moreno-Azze, A.; Arjol-Serrano, J.L.; Falcón-Miguel, D.; Bishop, C.; Gonzalo-Skok, O. Comparison of Three Eccentric Overload Training Strategies on Power Output and Interlimb Asymmetry in Youth Soccer Players. Int. J. Environ. Res. Public Health 2021, 18, 8270. ijerph18168270
Abstract: Background: The present study compared the effects of performing the lateral squat exercise in three different formats from eccentric overload training on concentric/eccentric peak/mean power and inter-limb asymmetries in young soccer players. Methods: Forty-five young male (U-17) soccer players were distributed into three groups. Two groups performed the same training volume with both legs, beginning with the weaker leg (SVW, n = 15) or with the stronger leg (SVS, n = 15). The third group executed double volume with the weaker leg and also commenced with such leg (DVW, n = 15) in the lateral squat during a 10-week period. Pre- and post-intervention metrics included concentric and eccentric peak/mean power during the lateral squat test and their corresponding asymmetries. Results: All groups improved all power variables. Concentric mean and peak power asymmetry were substantially reduced in the SVW (ES: 0.89), DVW (ES: 0.43), and in SVW (ES: 1.60). Eccentric mean and peak power asymmetry were also substantially decreased in SVW (ES: 0.81) and in DVW (ES: 0.68). Between-group analyses showed substantially better performance in concentric and eccentric variables with stronger and weaker legs in SVW and DVW groups compared with SVS. Conclusions: Those groups which started with the weaker leg showed greater both power enhancements and reductions on inter-limb asymmetries.
ISSN: 1660-4601
Appears in Collections:Artículos de revistas

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