加拿大足球比赛中运行强度的表征,基于战术位置
Abdullah Zafar1, Samuel Guay2, Sophie-Andrée Vinet2
1Department of Kinesiology, University of Waterloo, Waterloo, ON N2L 3G1, Canada.
Sensors (Basel, Switzerland)
|April 27, 2024
概括
这项研究使用了个性化速度值来分析足球运动员的工作量. 技能球员表现出比线人更强烈的跑步,比赛距离超过了练习距离.
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:
- 了解运动员的工作量对于足球中的表现和伤害预防至关重要.
- 以前用于量化运行需求的方法可能无法完全捕捉个人参与者的差异.
- 全球定位系统 (GPS) 数据为分析移动模式提供了丰富的来源.
研究的目的:
- 开发和应用数据驱动的方法来识别足球运动员的个性化速度值.
- 描述不同球员位置 (技能与线人) 的比赛和练习期间的跑步需求和运动员工作负载.
- 在游戏和实践场景之间比较运行性能指标.
主要方法:
- 收集了30名加拿大大学橄球运动员的可穿戴传感器 (GPS) 数据,超过28次 (137场比赛,150次练习).
- 使用5维高斯混合模型 (GMM) 来定义每个运动员表现的5个不同的跑步强度区域.
- 分析了这些个性化速度区内的速度门,时间和距离.
主要成果:
- 技能玩家表现出明显更高的速度门,花了更多的时间/覆盖了更多的距离在最大强度的区域比线人 (p < 0.001).
- 在比赛期间所行的总距离明显大于练习期间 (p < 0.001).
- 个性化速度门有效地区分了玩家位置和环境之间的运行需求.
结论:
- 个性化速度值为评估足球比赛中的跑步强度和运动员工作量提供了可靠的方法.
- 这种方法允许在训练和比赛期间对职位特定的物理需求进行监控.
- 这些发现支持量身定制的培训计划,以满足不同足球角色和比赛情况的具体身体要求.
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