在膝关节骨关节炎患者中,四头肌激活在升级过程中的关联与运动和身体功能过程中的疼痛
Ehyun Kim1, Soyoung Lee1, Jason Dolinsky1
1Department of Physical Therapy, Boston University, Boston, MA, USA.
Clinical biomechanics (Bristol, Avon)
|October 27, 2025
概括
在步进过程中增加广的中枢肌肉激活可能有助于减少疼痛和改善膝关节关节炎患者的身体功能. 这种补偿策略与膝关节OA患者的更好的结果有关.
科学领域:
- 生物力学 生物力学
- 运动学 运动学
- 整形外科 整形外科 整形外科
背景情况:
- 膝关节关节炎 (OA) 的特点是运动引起的疼痛和改变肌肉激活模式在日常活动中,如爬楼梯.
- 了解肌肉激活,疼痛和功能之间的关系对于管理膝关节OA至关重要.
- 这项研究研究了膝关节OA患者在步骤升级任务期间的肌肉激活和协同激活.
研究的目的:
- 为了检查大中和中部腿筋肌肉激活和联合激活在升级过程中的关联.
- 为了确定在膝盖OA中运动引起的疼痛和自我报告的身体功能 (WOMAC) 之间的关系.
- 探索肌肉激活作为膝关节OA补偿机制的作用.
主要方法:
- 在43名患有症状膝关节OA的参与者中,表面电肌图 (EMG) 用于测量在升级的上升阶段中巨大的中枢和中枢腿筋激活,用于测量膝关节OA.
- 在同一阶段,还计算了肌肉联合激活.
- 层次回归模型分析了EMG测量对疼痛和WOMAC评分的贡献,控制共变量.
主要成果:
- 在步进过程中,较大的大脑中枢激活与较低的运动引起的疼痛有显著的关联 (β = -0.47,p < 0.01).
- 扩大大脑中的激活也与WOMAC尺度 (β = -0.35,p = 0.04) 上更好的自我报告的身体功能相关.
- 大中间体的激活解释了除了人口统计和生物力学因素之外的疼痛和功能的额外变异.
结论:
- 在步进过程中,更高的巨型中枢肌肉激活可能作为一种补偿策略,以缓解膝盖骨关节炎的疼痛.
- 这种增强的肌肉激活似乎有助于改善膝关节OA患者的身体功能.
- 向大脑中枢激活可能是治疗膝关节骨髓炎症状的潜在方法.
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