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肌肉活动和循环动态的比较分析:使用腿部炼装置和人体运动计进行交叉研究
Nobuhiro Hirasawa1,2,3, Yukiyo Shimizu4, Ayumu Haginoya5
1Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba 305-8575, Japan.
Medicina (Kaunas, Lithuania)
|August 29, 2024
概括
腿部运动器 (LEX) 与人体运动计相比,显著增加了肌肉活动,这表明在卧床患者中预防静脉血栓栓塞 (VTE) 和肌肉缩的潜力更大.
科学领域:
- 生物医学工程 生物医学工程
- 运动生理学 运动生理学
- 康复技术 康复技术 康复技术
背景情况:
- 卧床患者面临着高风险的静脉血栓塞栓症 (VTE).
- 目前的被动装置,如压缩和间歇性气压压缩,是常见的静脉瘤预防方法.
- 像腿部运动器 (LEX) 这样的活体器件旨在通过激活肌底肌肉来预防VTE,但它们的动力学特性需要进一步研究.
研究的目的:
- 为了比较LEX的运动特征与常用的下肢人体表.
- 评估LEX对肌肉活动和血液循环动态的影响.
- 评估LEX作为活性静脉瘤预防和肌肉缩预防装置的潜力.
主要方法:
- 一项交叉研究设计,涉及15名健康成年人.
- 参与者使用LEX和人体表仪进行了5分钟的炼,随后进行了10分钟的休息时间.
- 使用表面电肌图 (测量肌肌肉的%MVC) 测量肌肉活动,并使用非侵入性阻抗心脏输出计记录循环动态.
主要成果:
- 肌底肌最大自愿收缩的平均百分比 (%MVC) 在LEX运动中显著增加.
- 没有观察到运动或休息时间或序列的显著差异.
- 虽然心率,中风量和心脏输出在运动期间增加,在运动后减少,但设备之间的差异在统计学上并不显著.
结论:
- 与人体测量器相比,LEX表现出更高的肌底肌肉激活,可能提供更好的血栓预防和肌肉缩预防.
- 对于下肢来说,LEX可能是一个安全有效的活跃炼设备,甚至对于需要循环监测的患者来说也是如此.
- 对LEX的动力学特性进行进一步的研究可以提高其在临床环境中的应用.
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