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骨肌电刺激对中部和下肢血液动力学的急性影响

Hajime Tamiya¹, Hina Kawashiri², Toshiaki Miyamoto³

¹Department of Exercise Physiology, Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, JPN.

|June 25, 2024

概括

皮带电极-骨肌电刺激 (B-SES) 在健康的年轻男性中显著增加了心脏输出和下肢血流. 这种干预增强了中央血液动力学和大腿动脉的血液流动,而不会改变中风体积或总外周阻力.

科学领域:

运动生理学运动生理学
心血管生理学心血管生理学
生物医学工程生物医学工程

背景情况:

皮带电极-骨肌肉电刺激 (B-SES) 用于提高肌肉力量,运动耐受性和葡萄糖代谢.
B-SES对中部和下肢动脉血动力学的影响仍未得到研究.
这项研究通过检查急性B-SES对健康年轻男性血管功能的影响来弥补这一差距.

研究的目的:

为了比较B-SES对中部和下肢管道动脉血液动力学的急性影响.
为了评估心脏输出,平均动脉压和大腿动脉血流的变化.
评估B-SES对心率,中风体积和外周总阻力的影响.

主要方法:

一项随机交叉研究,涉及9名健康的年轻男性.
参与者接受了两个条件:20分钟的最大强度B-SES和假条件.
中枢血液动力学 (HR,SV,CO,MAP,TPR) 和表面大腿动脉 (SFA) 血液动力学 (直径,MBFV,SR,MBF) 在刺激前,期间和后被测量.

主要成果:

B-SES显著增加了心率,心脏输出和平均动脉压.
表面大腿动脉的显著升高,意味着血流速度,剪切率和平均血流量被观察到.
没有发现中风体积或总外周电阻的显著变化.

结论:

在健康的年轻男性中,B-SES急剧增加了心脏输出和下肢动脉血流.
观察到的血液动力学变化发生在中风体积或外周总阻力没有显著改变的情况下.
B-SES显示了改善下肢血管功能的潜力.

关键词:

带电极带电极的电极是什么心脏输出的心脏输出.血液动力学血液动力学神经肌肉电刺激是一种神经肌肉电刺激.浅层的股骨动脉股骨动脉剪切率是指剪切速度的速度.骨肌肉电刺激电刺激冲击的体积冲击的体积冲击的体积

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