在精英足球中以加速速度配置文件规范化加速和力量:游戏段,位置和目标差异的案例研究
Patrick Cormier1,2,3, Ming-Chang Tsai4, Marc Klimstra1,4
1Exercise Science, Physical and Health Education, University of Victoria, Victoria, BC, Canada.
概括
使用加速速度 (AS) 配置文件将足球运动员的努力正常化,在不同的比赛情况下揭示了球员行为的独特模式. 这种方法增强了对比赛期间的位置差异和努力变化的理解.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 绩效分析 绩效分析
背景情况:
- 加速速度 (AS) 分析提供了一种新的方法来评估足球运动员的最大运行能力,而不需要特定的冲刺测试.
- 根据比赛背景 (例如,得分线) 了解球员的努力变化对于战术分析至关重要.
研究的目的:
- 为了研究如何使用AS配置文件来规范玩家的努力,与非规范化值相比,它揭示了不同的变化模式.
- 在不同的目标差异条件下,在不同的球员位置上检查这些努力模式.
主要方法:
- 根据全球导航卫星系统 (GNSS) 数据,在三个赛季内,女性国家足球队的AS概况得到了推导.
- 使用规范化和非规范化指标,加速和功率数据被分类为速度域 (低,中等,高,非常高).
- 线性混合模型用于对规范化和非规范化数据的统计分析.
主要成果:
- 规范化和非规范化数据都表明,在上半场平局或胜利时,努力增加,在整个比赛中输球或平局时,持续努力.
- 对于正常化数据的高至非常高速度,对于非正常化数据的中低速度,努力模式的差异更为明显.
结论:
- 个人AS和功率配置文件对于规范化努力是有价值的,使得研究玩家和位置特定变化的可能性.
- 这种方法揭示了与半场比赛状态 (平局,输球,胜球) 相关的重要位置行为.
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