在代谢,但不是机械要求苛刻的运动后,反运动跳跃性能:对长时间的低频力压力减压的敏感性有限
Owen R Lindsay1, Jared R Fletcher2
1Department of Health and Physical Education, Mount Royal University, Calgary, AB, Canada.
European journal of applied physiology
|July 6, 2025
概括
反运动跳跃 (CMJ) 测试可能无法有效检测在非肌肉损伤运动后的神经肌肉疲劳. 长时间的低频力压力 (PLFFD) 持续时间比CMJ性能变化更长,质疑CMJ.
科学领域:
- 运动生理学 运动生理学
- 神经肌肉功能 神经肌肉功能
- 运动科学 运动科学 运动科学
背景情况:
- 反运动跳跃 (CMJ) 性能通常用于评估神经肌肉疲劳.
- 对于检测非肌肉损伤性运动造成的疲劳,特别是长期低频力压力 (PLFFD) 的CMJ的有效性尚不清楚.
研究的目的:
- 为了研究完整的自行车运动后PLFFD和CMJ参数之间的关系.
- 要确定CMJ是否能检测到PLFFD表示的疲劳.
主要方法:
- 娱乐活跃的成年人经历了渐进式循环到任务失败.
- 反运动跳跃 (CMJ),10 Hz力和最大自愿收缩 (MVC) 在运动前和运动后长达48小时被测量.
- 长时间的低频力压力 (PLFFD) 被计算为10 Hz与MVC力的比率.
主要成果:
- 长时间的低频力压力 (PLFFD) 在运动后长达60分钟显著升高.
- 反运动跳跃 (CMJ) 参数显示没有实质性的变化,除了集中脉冲短暂减少,持续8分钟.
结论:
- 反运动跳跃 (CMJ) 测试可能不是经过非异常负荷的耗尽性运动后神经肌肉疲劳的敏感指标.
- 长时间的低频力压力 (PLFFD) 持续时间比CMJ性能的可检测变化更长.
- 对于接受非肌肉损伤训练的运动员群体,可能需要使用替代的疲劳监测工具.
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