携带国旗对助理裁判方向变化和冲刺表现的动力和动力学影响
Jacob Grazer1, William J Reed, Gerald Mangine
1Department of Exercise Science and Sports Management, Kennesaw State University, Kennesaw, Georgia.
Journal of strength and conditioning research
|February 25, 2026
概括
携带旗会对足球裁判的冲刺速度产生负面影响,但不会对加速或改变方向产生负面影响. 这表明需要进行培训,以提高助理裁判 (AR) 的顶端速度.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 足球表现 足球表现
背景情况:
- 足球中的助理裁判必须与球员的速度相匹配,但携带旗可能会阻碍表现.
- 目前对AR的适应性评估没有考虑使用国旗的物理需求.
- 与游戏保持同步对于有效的AR决策至关重要.
研究的目的:
- 调查携带旗对冲刺和改变方向性能在ARs中的动力和动力学影响.
- 在速度和敏捷性任务中量化使用旗对关键性能指标的影响.
- 通过了解携带国旗的物理后果,为AR提供培训策略的信息.
主要方法:
- 18名男性AR完成了60米短跑和改变方向能力 (CODA) 测试.
- 每个AR都在随机顺序下进行了带标准裁判旗和不带标准裁判旗的试验.
- 双向反复测量差异分析 (ANOVA) 用于分析条件之间的性能差异.
主要成果:
- 当不携带旗时,冲刺时间和步数显著减少 (p < 0.01).
- 在没有标志的最高速度阶段的动力和动力学变量 (力,速度,功率) 得到了改善 (p ≤ 0.01).
- 在旗条件和非旗条件之间,在加速或CODA测试性能方面没有发现显著差异 (p > 0.05).
结论:
- 携带旗似乎会对ARs的最大冲刺速度产生负面影响.
- 加速和改变方向的能力并没有受到旗运输的显著阻碍.
- 培训干预应侧重于增强AR的顶级冲刺,以减轻旗诱导的性能下降.
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