使用剪切波弹性学评估肌肉疲劳的恢复.
Ruihong Cheng1, Qiushi Wang2, Libin Xu3,4
1Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, PR China.
Sports medicine - open
|March 13, 2026
概括
通过剪波弹性学 (SWE) 测量剪波模量 (G) 的被动肌肉度,随着疲劳和恢复而变化. 这项研究表明,SWE可以在不同人群中监测这些肌肉变化.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 医疗成像医学成像
背景情况:
- 通过剪波弹性学 (SWE) 量化剪模量 (G) 的肌肉刚性,对于理解肌肉疲劳和运动表现至关重要.
- 虽然性别和训练状态影响疲劳恢复,但定量数据有限.
- 这项研究调查了疲劳和恢复期间的被动肌肉G变化,评估SWE在监测肌肉疲劳方面的实用性.
研究的目的:
- 评估疲劳和恢复期间被动肌肉剪切模量 (G) 的变化.
- 评估剪切波弹性图 (SWE) 对监测肌肉疲劳的有效性.
- 根据性别和训练背景,探索肌肉度恢复的变化.
主要方法:
- 35名运动员和16名非运动员通过古怪的肘部曲进行诱导肌肉疲劳.
- 切割模量 (G) 使用SWE在基线,运动后立即,以及24小时和48小时后进行测量.
- 线性混合效应模型分析了群体,时间和手臂优势对G的影响.
主要成果:
- 观察到时间对肌肉剪切模量 (G) 的显著影响 (P < 0.001).
- 在大多数群体中,肌肉G在炼后立即增加,在不同时间点在性别和训练背景之间注意到差异.
- 在48小时后,运动员和非运动员男性的肌肉G恢复到基线,而非运动员女性则显示主导手臂的G下降.
结论:
- 被动肌肉模量 (G) 准确地反映了肌肉硬性,可以通过便携式SWE设备进行非侵入性监测.
- SWE是一个有效的工具,用于跟踪肌肉疲劳和恢复在不同的人口.
- 这些发现突显了肌肉疲劳恢复模式的特定人群差异.
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