适度的血流限制压力不会影响最大力量或神经肌肉反应
Sean M Lubiak1, John E Lawson1, David H Gonzalez Rojas1
1School of Kinesiology & Rehabilitation Sciences, Division of Kinesiology, University of Central Florida, Orlando, Florida.
Journal of strength and conditioning research
|August 23, 2024
概括
在60%的动脉阻塞压力 (AOP) 中,中度血流限制 (BFR) 不会影响大学年龄女性的最大强度或神经肌肉功能. 这一发现支持使用BFR或非BFR评估进行强度评估.
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) 在训练和康复中使用.
- 了解中等BFR压力对最大强度的影响对于有效应用至关重要.
- 之前的研究已经探讨了BFR的影响,但特定的中度压力需要进一步调查.
研究的目的:
- 为了研究BFR在最大强度的总动脉阻塞压力 (AOP) 的60%时的急性影响.
- 分析BFR对神经肌肉反应的影响,在力量评估期间感知到的劳动和疼痛.
- 为了在不同的肌肉作用模式中比较BFR和非BFR条件之间的强度和神经肌肉结果.
主要方法:
- 十一名大学年龄的女性参加了两次测试.
- 进行了最大单边同心,同度和偏心腿部延伸,并没有BFR (60%AOP).
- 重复测量ANOVA分析了最大强度,神经肌肉功能,RPE和疼痛的差异.
主要成果:
- 最大强度没有受到BFR在同度,同心或偏心动作中显著影响.
- 肌肉刺激在同心动作时高于异心动作时,不论是BFR.
- 与非BFR集中评估相比,在BFR期间感知劳动力 (RPE) 的评级较低,在同位测评估期间疼痛更高.
结论:
- 在60%AOP下应用BFR不会改变最大强度或神经肌肉功能.
- 训练员和临床医生可以互换使用BFR或非BFR评估来评估最大强度.
- 适度的BFR可能会减少在最大同心收缩期间感知到的劳动力.
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