对急性手臂动有血流限制的生理和感知反应
Benjamin A Cockfield1,2, Isaac J Wedig1,3,4, Alyssa L Vinckier1,2
1Department of Kinesiology and Integrative Physiology, College of Science and Arts, Michigan Technological University, 1400 Townsend Dr., Houghton, MI, 49931, USA.
European journal of applied physiology
|December 24, 2023
概括
在动炼期间的血流限制 (BFR) 减少了肌肉的氧化,而无需过度紧张. 这项研究调查了上肢BFR反应,发现组织和减少,脱氧血红蛋白增加.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 康复 康复 康复 康复
背景情况:
- 血液流量限制 (BFR) 已被确立为身体下部运动的好处.
- 身体上部的BFR反应仍然不太了解.
- 这项研究解决了与BFR的上肢有氧运动相关的知识差距.
研究的目的:
- 为了评估急性生理和感知反应在手臂动和没有BFR.
- 为了比较不同BFR强度 (50%和70%的动脉阻塞压力) 和高强度条件下的反应.
主要方法:
- 十名参与者在40%的VO2峰值 (LI),80%的VO2峰值 (HI) 和40%的VO2峰值下进行了手臂动,BFR在动脉阻塞压力的50% (BFR50) 或70% (BFR70) 时.
- 测量包括组织氧化,心肺呼吸反应和感知到的劳累/疼痛.
主要成果:
- 与LI相比,BFR50,BFR70和HI条件显示组织和率降低,脱氧血球蛋白增加.
- 在康复过程中,组织和进一步下降,脱氧血球蛋白在BFR50和BFR70.0中增加.
- 与LI相比,BFR70和HI中的心率显著增加.
结论:
- 用BFR动手臂有效地减少了肌肉的氧化.
- 这些生理变化发生在没有引起过度心肺呼吸系统应变或疼痛的情况下.
- 上半身BFR提供了一个可行的训练模式,具有可管理的感知反应.
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