弹性袖子的刚性会影响生理和感知反应,但在低外部负载阻力运动中不会影响运动性能疲劳,而实际限制血液流动
Robert Bielitzki1, Tom Behrendt1, Marcel Motzko1
1Department of Sport Science, Institute III, Otto von Guericke University Magdeburg, Magdeburg, Germany.
Journal of sports sciences
|November 13, 2024
概括
在实践血液流量限制 (pBFR) 运动期间,更硬的弹性袖口会增加生理应变和感知疼痛,但不会影响运动性能疲劳. 袖口硬度显著影响运动反应,突出其在pBFR应用中的重要性.
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
- 康复医学 康复医学 康复医学
背景情况:
- 使用非气动弹性袖口的实用血流限制 (pBFR) 是气动系统的经济有效替代方案.
- 众所周知,袖口硬会影响静止时的血液动力学和感知反应.
- 袖口硬度对炼期间生理和感知反应的影响尚不清楚.
研究的目的:
- 研究弹性袖硬度对运动期间生理,感知和性能变化的影响.
- 为了比较低度 (LS) 和高度 (HS) 手在不同重叠时的反应.
主要方法:
- 十名娱乐活跃的男性在一次重复-最大的20%的速度进行单边肘部曲.
- 条件包括LS和HS袖口在10%和20%的重叠,以及没有袖口的控制.
- 测量包括最大的自愿异度收缩扭矩,肌肉氧和,以及对努力和疼痛的感知评分.
主要成果:
- 运动性能疲劳在各种条件中没有显著差异.
- 较高的肌肉氧气脱,努力感知和肌肉疼痛被观察到HS袖口在10%和20%的重叠.
- 身体和感知反应受到袖口硬的显著影响.
结论:
- 弹性袖硬度显著影响pBFR运动期间的生理和感知反应.
- 在这些实验条件下,机动性能疲劳没有被袖口硬明显改变.
- 这些发现强调了在pBFR协议中考虑袖口特性的重要性.
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