对低负荷阻力运动的急性心血管反应的个体间变异性与不同的血液流量限制方法
William B Hammert1, Anna Kang1, Yujiro Yamada1
1Department of Health, Exercise Science, and Recreation Management. Kevser Ermin Applied Physiology Laboratory, The University of Mississippi, University, MS.
Medicine and science in sports and exercise
|October 31, 2025
概括
对血流限制 (BFR) 运动的心血管反应显示出个体的可变性和可重复性,特别是在相对压力应用时. 这些发现凸显了BFR培训的个性化方法.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 运动科学 运动科学 运动科学
背景情况:
- 低负荷阻力运动与血液流量限制 (BFR) 越来越多地研究其生理效应.
- 了解心血管对BFR反应的可变性和可重复性对于安全有效的应用至关重要.
研究的目的:
- 用BFR研究急性心血管反应对低负荷阻力运动的个体间变异性和可重现性.
- 为了比较绝对和相对BFR压力应用方法之间的心血管反应.
主要方法:
- 一项复制交叉设计研究,涉及82名健康成年人.
- 参与者被分配到绝对 (100 mmHg) 或相对 (80% AOP) 压力组,用于单边膝盖延伸.
- 心血管参数 (SBP,DBP,HR) 在运动前和运动后进行测量,并使用混合效应模型和元分析分析对照调整的反应.
主要成果:
- 与对照人群相比,BFR运动显著增加了SBP,DBP和HR.
- 相对压力组显示SBP和DBP的增加较大.
- 对于大多数心血管结果,观察到真正的个人间变异性,在相对压力下具有更好的可重现性.
结论:
- 对BFR运动的急性心血管反应在个体之间是可变的,在个体内是可重现的,特别是在相对施加压力时.
- 这项研究表明,个性化的压力设置可能对BFR干预很重要.
- 需要进一步的研究来确定观察到的变异性是特定于BFR还是固有的低负荷阻力运动.
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