加速跑步中的机械和代谢功率-第二部分:团队运动
Cristian Osgnach1, Pietro E di Prampero2,3, Paola Zamparo4
1Department of Sport Science, Exelio srl, Udine, Italy. cristian.osgnach@gmail.com.
European journal of applied physiology
|August 3, 2023
概括
这项研究分析了团队体育表现,揭示了仅仅依赖加速值是有缺陷的. 个体加速度速度 (ASP) 更好地估计代谢和机械功率,提供一个更准确的测量球员的努力.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 运动生理学 运动生理学
背景情况:
- 了解速度和加速之间的关系对于量化团队运动中的代谢和机械功率至关重要.
- 球员运动概况的个体差异需要个性化性能分析.
研究的目的:
- 讨论速度和加速之间的相互作用,以确定团队体育中的代谢和机械功率.
- 引入和应用加速速度配置文件 (ASP) 来估计个人最大功率输出和值.
主要方法:
- 分析了38场意大利意甲官方比赛 (2020-2021赛季).
- 评估个体加速-速度 (ASP) 配置文件,以估计最大的机械和代谢功率.
- 将高机械功率事件与超过固定值 (2.5 m/s2) 的加速计数进行比较.
主要成果:
- 超过ASP估计功率80%的事件比加速>2.5m/s2频率高1.61倍,不同位置的变化 (中场2.30x,进攻1.36x).
- 高需求阶段 (6秒持续时间,22W/kg代谢功率) 在整个比赛中保持一致.
- 高需求阶段的数量从第一个到最后一个15分钟周期 (28到21) 减少,恢复时间增加 (26到37秒).
结论:
- 固定的加速值不足以准确评估团队体育运动中高强度的努力.
- 加速速度概况 (ASP) 提供了对玩家功率输出和代谢需求的更细致的了解.
- 个性化功率分析对于有效的培训和绩效监测至关重要.
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