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单边骨截肢对准高山滑雪者的不良影响和缓解方法

Kaiqi Liu¹, Linhong Ji¹, Jing Chang¹

¹State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, China.

Journal of science and medicine in sport

|February 3, 2024

概括

单侧转截肢导致干部肌肉失衡,降低了高山滑雪者的表现. 设备上的额外限制可以显著提高运动员的表现并减轻这些问题.

科学领域:

运动医学运动医学
生物力学生物力学
康复科学康复科学康复科学

背景情况:

单侧转肢截肢为适应性运动员在诸如高山滑雪等运动中带来了独特的挑战.
了解神经肌肉和运动适应对于优化性能和预防受伤至关重要.

研究的目的:

为了评估单边的腿骨转移截肢对高山滑雪运动员神经肌肉和动力学参数的不良影响.
确定人与设备接口上的额外限制是否可以减轻这些影响并提高性能.

主要方法:

一个横截面的,重复测量研究,涉及10名滑雪运动员和10名有能力的对照人员.
模拟室内和室外斯拉洛姆滑雪测试进行,测量干部肌肉电肌图和运动表现.
在剩余四肢上进行了带有和没有额外带带的测试,以评估修改后的限制装置的影响.

主要成果:

经过单侧转截肢的滑雪运动员表现出严重依赖主导的侧侧骨干肌的激活和性能降低.
性能不对称指数,通过倾斜角度和距离门杆的距离来衡量,在截肢滑雪者中显著更高.
使用额外的限制措施导致不对称性指数的显著下降,并大幅改善了双方的运动表现.

结论:

单侧转 Femoral 截肢导致干部肌肉不对称性和阿尔卑斯山滑雪运动员的体育表现受损.
调整人-设备接口的束,如额外的带,可以有效地减轻不对称性,并提高适应性运动员的表现.

关键词:

不对称的不对称性运动员运动员电动肌图学电动肌图学动力链链的动力链.业绩表现业绩表现业绩表现表现限制束器的使用方法

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