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

被引:6
作者
Moreno-Azze, Alejandro [1 ]
Luis Arjol-Serrano, Jose [1 ]
Falcon-Miguel, David [2 ]
Bishop, Chris [3 ]
Gonzalo-Skok, Oliver [4 ]
机构
[1] Univ San Jorge, Fac Hlth Sci, Zaragoza 50830, Spain
[2] Univ Zaragoza, Fac Hlth & Sport Sci, Huesca 22001, Spain
[3] Middlesex Univ, Fac Sci & Technol, London Sport Inst, London NW4 4BT, England
[4] Return Play Dept, Seville 41005, Spain
关键词
eccentric training; resistance training; injury prevention; LOWER-LIMB STRENGTH; DIRECTION; SPRINT; SPORTS; RELIABILITY; PERFORMANCE; EXERCISE; SINGLE; LEVEL;
D O I
10.3390/ijerph18168270
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
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.
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页数:12
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