在截肢者以自己选择的速度行走的逐步过渡过程中,量化推开和碰撞的工作:截肢水平的影响
L Sedran1, X Bonnet2, M Thomas-Pohl3
1Institut de Biomécanique Humaine Georges Charpak, Arts et Métiers Sciences et Technologies, Paris, France; Proteor, Recherche & Développement, Dijon, France.
Journal of biomechanics
|January 20, 2024
概括
非截肢者比截肢者产生更多的推卸工作. 虽然穿腿截肢患者在自选的步行速度下表现出增加的推开工作,但腿截肢患者没有,这会影响运动期间的能量交换.
科学领域:
- 生物力学 生物力学
- 人类的机动运动
- 假肢手术 假肢手术是一门专业.
背景情况:
- 人类的行走依赖于机械关节的工作,主要是从脚到脚.
- 下肢截肢者经常表现出代谢过度消耗,与减少推进力有关.
- 截肢对行走能量交换的影响仍然不完全理解.
研究的目的:
- 调查自选步行速度 (SSWS) 如何影响脚-脚和下肢的机械工作.
- 为了比较这些非截肢者 (NAs),单边跨肢截肢者 (TTs) 和单边转肢截肢者 (TFs) 的影响.
主要方法:
- 追溯分析155名参与者 (47名NA,40名TT,68名TF) 在他们的SSWS行走.
- 积极推开工作 (WStS+) 和负碰撞工作 (WStS-) 的分析.
- ANCOVA用于评估截肢水平的影响,控制SSWS.
主要成果:
- 截肢者比截肢者做更多的推卸工作,即使对SSWS进行了调整.
- 截肢者 (TTs) 和截肢者 (TFs) 产生了类似的假肢脚-脚推开工作 (W脚-脚).
- 假肢推卸工作 (WStS+) 在TT中较高,在TF中与SSWS保持一致. TFs缺乏推进力并没有影响对侧碰撞工作 (WStS-).
结论:
- 截肢水平显著改变了行走期间的机械劳动生产.
- 截肢者表现出适应性的推开工作策略,与截肢者不同.
- 需要进一步的研究,以将腿骨移植截肢者的推开限制与代谢成本联系起来.
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