在单次高强度全身电动刺激后,肌肉损伤的个体间差异
Marc Teschler1,2, Melina Waranski1,2, Boris Schmitz1,2
1Department of Rehabilitation Sciences, Faculty of Health, University of Witten/Herdecke, Witten, Germany.
Frontiers in sports and active living
|November 7, 2024
概括
高强度全身电动肌刺激 (WB-EMS) 可以导致显著的肌肉损伤,个体的反应不同. 运动后的乳酸水平可以预测WB-EMS肌肉损伤的程度.
科学领域:
- 运动生理学 运动生理学
- 肌肉生理学 肌肉生理学
- 生物医学工程 生物医学工程
背景情况:
- 全身电动肌刺激 (WB-EMS) 是一种越来越受欢迎的训练方式.
- 了解个人对WB-EMS的反应对于优化培训协议和确保安全至关重要.
- 肌肉损伤标记提供了对运动生理影响的客观见解.
研究的目的:
- 为了描述肌肉损伤反应的个体间变异性,在高强度WB-EMS单次会议后.
- 调查肌肉损伤标记物 (肌酸激酶和肌球蛋白) 在WB-EMS后72小时的时间进程.
- 探索运动后乳酸水平和肌肉损伤标志物之间的关系.
主要方法:
- 12名健康参与者 (5名男性,7名女性) 接受了一次20分钟的高强度WB-EMS会话.
- 运动前,运动后以及1.5小时,3小时,24小时,48小时和72小时收集血液样本,以测量肌酸激酶 (CK),肌球蛋白 (Mb) 和乳酸.
- 根据CK反应模式,参与者被分为快速响应者 (FR) 和缓慢响应者 (SR).
主要成果:
- WB-EMS引起了CK和Mb水平的显著升高,分别在72h和48h达到峰值.
- 观察到CK反应的显著个体间变异性,确定了不同的FR和SR组.
- 后WB-EMS乳酸度与峰值CK和Mb水平呈正相关,表明其预测潜力.
结论:
- 高强度的WB-EMS可以诱导大量的肌肉损伤,由升高的CK和Mb证明.
- 个人对WB-EMS的反应各不相同,需要个性化的方法.
- 运动后的乳酸水平可以作为一个有用的生物标志物来预测WB-EMS后肌肉损伤的程度.
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