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手动轮椅使用者肘部扭矩不对称的幅度和方向
Grazieli Maria Biduski1, Débora Aparecida Knihs1, Silas Nery de Oliveira1
1Laboratory of Biomechanics, Sport Center, Federal University of Santa Catarina, Florianópolis, Brazil.
Frontiers in sports and active living
|September 25, 2023
概括
手动轮椅使用者的肘部扭矩不对称的幅度大大不同. 在异动力学测试中,偏好的肢体在不同的速度上通常保持一致,但在不同的收缩类型中并非如此.
科学领域:
- 生物力学 生物力学
- 康复科学 康复科学 康复科学
- 运动医学 运动医学
背景情况:
- 手动轮椅使用者 (MWU) 经常由于重复使用而表现出上肢不对称.
- 了解肘部扭矩不对称性对于优化训练和防止MWU受伤至关重要.
研究的目的:
- 在MWU中量化肘部扭矩不对称.
- 为了评估不同异动力学测试速度和收缩模式的不对称方向的一致性.
主要方法:
- 14个MWU进行了以60°/s和180°/s的同动力肘部曲/延伸测试.
- 评估了同心和偏心的收缩.
- 分析了不对称的大小和方向协议 (卡帕系数).
主要成果:
- 观察到肘部扭矩不对称度的显著个体间变异 (-73.1%至59.9%).
- 在大多数速度 (k=0.71-0.85) 中,收缩模式之间发现了不对称方向的高一致性.
- 在大多数收缩模式 (k=0.16-0.31) 中,速度之间的一致性较低,但例外.
结论:
- 在MWU中肘部扭矩不对称的幅度非常可变.
- 不对称的方向通常在速度上是一致的,但在收缩模式上不一致.
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