缺血后调节对异常运动诱导的肌肉损伤的影响
1School of Physical Education and Sport, Central China Normal University, Wuhan, China.
Biology of sport
|March 25, 2024
概括
缺血后调节 (IPOC) 有效地减少强度炼后的运动诱导肌肉损伤 (EIMD). 这种干预有助于减轻力量丧失和减轻肌肉损伤,显示了本地和远程的好处.
科学领域:
- 运动医学 运动医学
- 运动生理学 运动生理学
- 肌肉生理学 肌肉生理学
背景情况:
- 运动引起的肌肉损伤 (EIMD) 是高强度运动的常见后果,导致性能降低.
- 缺血后调节 (IPOC) 是一种已证明有效的技术,可以缓解长期缺血后的损伤,这种状态与EIMD有相似之处.
研究的目的:
- 研究IPOC在减轻异常运动后肌肉损伤方面的潜力.
- 评估IPOC对力量恢复,疼痛感知和肌肉损伤的生理标志物的影响.
主要方法:
- 32名年轻男性被随机分配到IPOC或虚假干预组.
- 奇特的炼诱导了双臂肌损伤,随后是IPOC或假装应用 (30秒缺血症的3个周期).
- 测量包括疼痛 (VAS),手臂周长,肌肉厚度,回声强度,微血管功能和1次重复最大 (1RM) 在72小时内双边评估.
主要成果:
- 与假装组相比,IPOC组在运动后48小时和72小时表现出更高的1RM.
- IPOC显著减少了主导手臂的疼痛和肌肉厚度.
- 观察到远程效应,假装组在非主导手臂中表现出增加的疼痛和胀,而IPOC组恢复到基线.
结论:
- IPOC可以减轻强度下降和缓解高强度异常运动后的EIMD.
- 该干预表明,它既具有局部保护作用,也对肌肉恢复有远程益处.
- IPOC代表了一种管理运动引起的肌肉损伤和增强性能恢复的有希望的策略.
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