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电刺激和短暂的肌肉延长对扭矩发展的影响

Antoine Pineau¹, Alain Martin¹, Romuald Lepers¹

¹INSERM UMR1093-CAPS, Université Bourgogne, UFR des Sciences du Sport, Dijon, France.

Journal of applied physiology (Bethesda, Md. : 1985)

|February 15, 2024

概括

将肌肉延长与高频神经肌肉电刺激 (NMES) 结合起来,可以提高扭矩的产生. 这种方法应用于后神经,增强肌肉活动,并可以优化NMES训练的有效性.

科学领域:

神经科学是一个神经科学.
运动医学运动医学
康复工程康复工程

背景情况:

神经肌肉电刺激 (NMES) 用于增强肌肉功能.
优化NMES的有效性,特别是扭矩的产生,对于临床应用至关重要.
叠加肌肉延长对NMES诱导的扭矩的影响尚不清楚.

研究的目的:

在NMES期间应用肌肉延长时评估扭矩产生.
为了研究不同延长速度对NMES诱导的扭矩的影响.
为了确定NMES频率 (20比100Hz) 对NMES和延长效应的联合影响.

主要方法:

15名参与者接受了NMES在后神经上.
单独使用NMES或与60度,180度或300度/秒的肌肉延长相结合.
测量了扭矩时间积分 (TTI) 和持续电肌图 (EMG).

主要成果:

结合NMES和肌肉延长显著增加了TTI和持续的EMG在100Hz的NMES频率下,无论延长速度如何.
在20 Hz的NMES频率下没有观察到显著差异.
结果表明神经机制,可能增加了 afferent 活动,有助于增强扭矩.

结论:

将短暂的肌肉延长叠加在高频NMES上可以增强扭矩产生.
这种结合的方法可以提供一种战略,以优化NMES培训的有效性.
观察到的增强可能是由神经机制调解的,尽管不能排除肌肉因素.

关键词:

它的附属物.额外扭矩的额外扭矩.肌肉延长延长肌肉的延长三叉体 surae surae 三叉体 surae 三叉体 surae 三叉体 surae 三叉体 surae

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