处方血流限制运动:四肢组成会影响产生动脉阻塞所需的压力
Thomas P Walden1,2, Andrew M Jonson3, Alasdair R Dempsey2
1KITE Research Institute, University Health Network, Toronto, ON, Canada.
Journal of sport rehabilitation
|August 23, 2024
概括
精确的血流限制需要个性化的动脉封闭压力 (AOP) 测量. 下肢肌肉质量和周长不能可靠地预测AOP,需要直接测量有效的血液流量限制协议.
科学领域:
- 运动医学 运动医学
- 康复科学 康复科学 康复科学
- 运动生理学 运动生理学
背景情况:
- 血液流量限制 (BFR) 在不同的人群和环境中越来越多地使用.
- 根据动脉封闭压力 (AOP) 准确确定BFR强度,对于安全性和有效性至关重要.
- 估计AOP的现有方法可能不能普遍适用,特别是关于个体肢体组成的方法.
研究的目的:
- 研究年轻成年人下肢组成 (肌肉,脂肪,骨质) 和周长与手工测量的动脉阻塞压力 (AOP) 之间的关系.
- 在实践和研究应用中评估用于估计AOP的常用计算的准确性.
- 在临床和体育康复中确定BFR强度的最佳实践.
主要方法:
- 采用了观察性,横截面的研究设计.
- 22名年轻成年人 (12名男性) 接受双能X射线吸收仪 (DXA) 进行下肢组成分析.
- 使用多普勒超声波手动确定动脉封闭压力 (AOP),并测量下肢周长.
主要成果:
- 下肢肌肉质量与AOP (r2 = .433) 呈现中度负相关性,与下肢周长 (r2 = .497) 呈现中度正相关性.
- 与其他组成措施相比,下肢周长与AOP的关系最弱 (r2 = .316).
- 增加的肌肉质量与增加的四肢周长相关,但矛盾的是,随着AOP的减少.
结论:
- 在年轻人中,四肢周长不是计算动脉阻塞压力 (AOP) 的可靠主要指标.
- 建议对所有血液流量限制运动方式进行AOP的个性化测量.
- 这些发现强调了需要个性化的AOP评估,以确保安全有效地应用BFR.
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