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Comparison of Three Eccentric Overload Training Strategies on Power Output and Interlimb Asymmetry in Youth Soccer Players

Author

Listed:
  • Alejandro Moreno-Azze

    (Faculty of Health Sciences, University of San Jorge, 50830 Zaragoza, Spain)

  • José Luis Arjol-Serrano

    (Faculty of Health Sciences, University of San Jorge, 50830 Zaragoza, Spain)

  • David Falcón-Miguel

    (Faculty of Health & Sport Sciences, University of Zaragoza, 22001 Huesca, Spain)

  • Chris Bishop

    (London Sport Institute, Faculty of Science and Technology, Middlesex University, London NW4 4BT, UK)

  • Oliver Gonzalo-Skok

    (Return to Play Department, 41005 Sevilla, Spain)

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.

Suggested Citation

  • Alejandro Moreno-Azze & José Luis Arjol-Serrano & David Falcón-Miguel & Chris Bishop & Oliver Gonzalo-Skok, 2021. "Comparison of Three Eccentric Overload Training Strategies on Power Output and Interlimb Asymmetry in Youth Soccer Players," IJERPH, MDPI, vol. 18(16), pages 1-12, August.
  • Handle: RePEc:gam:jijerp:v:18:y:2021:i:16:p:8270-:d:608336
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    Cited by:

    1. Cesar Cavinato Cal Abad & Marcos Winicius Rodrigues Lopes & Jerusa Petróvna Resende Lara & Anderson Jose Santana Oliveira & Raphael Planas Correa da Silva & Elder Aparecido Facin & Antonio Jose Izar &, 2022. "Long-Term Changes in Vertical Jump, H:Q Ratio and Interlimb Asymmetries in Young Female Volleyball Athletes," IJERPH, MDPI, vol. 19(24), pages 1-16, December.

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