频率特定的神经肌肉适应:高频和低频神经肌肉电刺激对肌肉功能和质量的比较影响
Hyeon-Deok Jo1, Maeng-Kyu Kim1,2
1Sports Science Research Institute, Kyungpook National University, Daegu, Korea.
Journal of exercise rehabilitation
|July 4, 2025
概括
高频神经肌肉电刺激 (NMES) 提供了立即的力量增强,而低频NMES在健康男性中提供了延迟的肌肉质量改善. 频率选择是有效的NMES协议的关键.
科学领域:
- 运动生理学 运动生理学
- 神经肌肉康复疗法 神经肌肉康复疗法
背景情况:
- 神经肌肉电刺激 (NMES) 用于增强肌肉功能.
- 不同NMES频率对神经肌肉适应的影响需要进一步研究.
研究的目的:
- 为了比较高频 (100 Hz) 和低频 (50 Hz) NMES对健康年轻男性神经肌肉功能和肌肉质量的频率特异性影响.
- 为了确定由不同的NMES频率引起的适应的时间概况.
主要方法:
- 16名健康的年轻男性参与了为期6周的NMES干预,随机分配到高频 (HFES) 或低频 (LFES) 组.
- 神经肌肉功能通过最大自愿同度收缩 (MVIC) 进行评估.
- 在基线,第3周,第6周,第8周和第10周,使用超声波回声强度 (EI) 评估了直骨和横骨的肌肉质量.
主要成果:
- 在干预期间,HFES显著增强了MVIC,这表明神经肌肉立即改善.
- LFES证明了延迟的益处,肌肉质量 (EI) 的显著改善仅在干预期后观察到.
- 对于MVIC和EI,时间和干预之间的显著相互作用效应突显了NMES诱导的适应的频率依赖性.
结论:
- 在健康的成年男性中,NMES协议可以诱导神经肌肉适应.
- HFES促进神经肌肉的快速增长,而LFES导致肌肉质量的延迟改善.
- 针对特定结果优化NMES协议需要仔细考虑刺激频率.
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