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Comparison of the Effect of Repeated-Sprint Training Combined With Two Different Methods of Strength Training on Young Soccer Players

    1. [1] Universidad Pablo de Olavide

      Universidad Pablo de Olavide

      Sevilla, España

    2. [2] Universidad de Sevilla

      Universidad de Sevilla

      Sevilla, España

    3. [3] San Antonio Catholic University
  • Localización: Journal of strength and conditioning research: the research journal of the NSCA, ISSN 1064-8011, Vol. 29, Nº. 3, 2015, págs. 744-751
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • The aim of this study was to assess the effect of combining repeated-sprint training with 2 different methods of muscle strength training on physical performance variables in young players. Twenty-one soccer players with mean (±SD) age of 18.1 (±0.8) years, weight 69.9 (±6.5) kg, and height 177.1 (±5.7) cm, and competing in U-19 category, were randomly assigned to 2 experimental groups: squat group (SG: n = 10) and take-off group (TG: n = 11). Intervention in both groups consisted of the combination of a weekly session of repeated-sprint training (the same for both groups), with 2 weekly sessions of strength training (different for each group), for 8 weeks in the final period of the season. The strength sessions for the SG consisted of conducting a series of full squats executed at maximum velocity in the concentric phase. Intervention in the TG was the performance of 2 specific strength exercises (take-offs and change of direction), with measurements taken before and after consideration of the following variables: repeated-sprint ability (RSA), yo-yo intermittent recovery test level 1 (YYIRT1), countermovement jump (CMJ), and average velocity in full squat progressive loads test. The SG improved CMJ height in 5.28% (p <= 0.05) and FS37.5-47.5-67.5 (p <= 0.05), whereas the TG improved FS17.5-27.5-37.5-47.5-67.5 (p <= 0.05). There were no significant changes in the values of RSA or YYIRT1 in either group. The results seem to show that the combination of a weekly session of repeated-sprint training with 2 weekly sessions of strength training could be an insufficient stimulus to improve RSA in the final period of the season.


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