高强度短时间足球疲劳模拟降低u19精英球员腿筋偏心力量

Mohamad Azraie Mohd Faozi, R. R. Raja Azidin
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摘要

先前的研究发现,大多数足球损伤发生在比赛赛的后期阶段,这表明疲劳是导致损伤的重要因素。摘要本研究旨在探讨高强度、短时间足球疲劳模拟对U19优秀足球运动员腿筋偏心力量的影响。十二(n = 12;年龄18.3±0.5岁;重量62.3±6.4 kg;身高171±6.6 cm)的精英U19足球运动员完成了足球特定疲劳模拟(SFS5)和等速测力计方案。在运动前(时间0分钟)、SFS5后(时间5分钟)和15分钟SFS5后(时间15分钟),参与者以120°s-1的速度进行三个最大优势肢偏心腿筋运动。采用单因素重复测量方差分析(one-way repeated measures ANOVA)确定不同条件和时间之间的显著差异,α=0.05。观察到在5分钟(9.5%)和20分钟(9.7%)时腘绳肌偏心明显减少。这些发现表明,在疲劳状态下的偏心训练应该是预防损伤计划的首要考虑因素。我们的研究结果还建议将短时间,高强度的足球特定疲劳模拟作为季前腿筋拉伤风险筛查和恢复比赛评估的一部分,以确保识别足球运动员腿筋拉伤风险标记的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
HIGH INTENSITY SHORT DURATION SOCCER FATIGUE SIMULATION REDUCED HAMSTRING ECCENTRIC STRENGTH IN ELITE U19 PLAYERS
Previous studies found most soccer injuries occur during the latter stage of match-play suggesting fatigue as an important factor contributing to injuries. The purpose of this study is to investigate the effects of a high intensity, short duration soccer-specific fatigue simulation on hamstring eccentric strength among elite U19 soccer players. Twelve (n=12; age 18.3 ± 0.5 years; weight 62.3 ± 6.4 kg; height 171 ± 6.6 cm) elite U19 soccer players completed a soccer-specific fatigue simulation (SFS5) and isokinetic dynamometer protocol. Before exercise (time 0 min), immediately after SFS5 (time 5 min) and after 15 mins SFS5 (time 15 min), participants performed three maximal dominant limbs at 120°s-1 for eccentric hamstring muscle actions. A one-way repeated measures ANOVA was used to identify significant differences between conditions and over time, with α=0.05. A significant time dependent reduction in hamstring eccentric at time 5 min (9.5%) and time 20 min (9.7%) was observed. These findings suggest eccentric training during fatigue state should be a primary consideration in injury prevention program. Our findings also recommended the inclusion of a short duration, high intensity soccer-specific fatigue simulation as part of pre-season hamstring strain injury risk screening and return to play assessment to ensure the effectiveness in identifying the markers of hamstring strain injury risk in soccer players.
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