疲劳对在意外着陆期间的认知运动功能的影响
Filippo Bertozzi1,2,3, Patrick D Fischer4, Fatemeh Aflatounian4
1Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy.
The American journal of sports medicine
|June 22, 2023
概括
疲劳会损害膝盖机械和认知功能,增加前十字带 (ACL) 损伤风险. 膝盖生物力学和认知表现的这些变化是相互关联的,突出了伤害预防策略的关键联系.
科学领域:
- 运动医学 运动医学
- 生物力学 生物力学
- 神经科学是一个神经科学.
背景情况:
- 身体疲劳和认知功能受损是前十字带 (ACL) 损伤的潜在危险因素.
- 众所周知,疲劳会减少认知处理,在苛刻的运动中可能加剧ACL受伤风险.
研究的目的:
- 研究疲劳如何影响膝盖力学和认知功能.
- 为了确定疲劳引起的认知表现变化是否与关键的 ACL 损伤风险相关的膝盖生物力学变化相关.
主要方法:
- 22名运动员接受了基线认知测试,并执行跳跃着陆任务.
- 实施了疲劳方案,逐步降低跳跃高度,并进行了反复的认知和生物力学评估.
- 混合效应模型和逐步回归分析了膝盖力学和认知功能的变化.
主要成果:
- 疲劳导致膝盖曲在跳跃着陆任务期间减少.
- 由于疲劳而导致注意力控制的恶化与膝盖绑架角度较小相关.
- 增加膝盖绑架角度与疲劳后反应时间较慢有关.
结论:
- 疲劳在意想不到的动作中逐渐改变了平面膝盖机械.
- 疲劳引起的认知功能的变化与与ACL损伤风险相关的膝盖力学有关.
- 这些发现扩大了对认知在ACL损伤风险中的作用的理解,特别是在疲劳,认知要求高的活动中.
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