在患有膝关节骨关节炎的患者中,四头肌激活和自身感受之间的相关性
Meiping Yang1, Zhilin Ge1, Zibo Gao1
1The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China.
Frontiers in bioengineering and biotechnology
|February 16, 2026
概括
膝关节骨关节炎 (KOA) 患者在爬楼梯时表现出改变的四头肌激活,影响关节位置感. 康复应该针对肌肉激活和自身感知准确性,以改善结果.
科学领域:
- 生物医学工程 生物医学工程
- 整形外科 整形外科 整形外科
- 神经科学是一个神经科学.
背景情况:
- 膝关节关节炎 (KOA) 的特点是关节疼痛和功能受损.
- 四肢肌肉激活模式和自身感知精度对于膝关节稳定性和运动控制至关重要.
- 了解KOA中肌肉激活和自身感知之间的关系对于开发有效的康复策略至关重要.
研究的目的:
- 调查四头肌激活和KOA患者自身感知精度之间的相关性.
- 为了在功能任务中比较KOA患者和健康个体之间的肌肉激活和自身感知性能.
- 探索KOA患者在步行和爬楼梯时使用的神经肌肉策略.
主要方法:
- 43名KOA患者和45名健康对照参与了这项研究.
- 用膝关节位置复制 (JPR) 来评估自觉准确性.
- 四肢体表面电肌图 (sEMG) 被记录下来,以测量行走和爬楼梯期间的肌肉激活 (RMS和MDF).
主要成果:
- 与健康人群相比,KOA患者在45°时表现出明显更高的JPR误差.
- 在爬楼梯时,KOA患者在广中枢 (VM) 和广侧面 (VL) 肌肉中增加了RMS激活.
- 在KOA患者在爬楼梯时发现JPR错误和sEMG参数之间存在显著的相关性,特别是在RVM的45°JPR和RMS.
结论:
- KOA患者在爬楼梯时表现出明显的四头肌激活模式,这与自身感知精度受损有关.
- 任务不变的神经肌肉激活模式表明KOA患者的固定运动策略,可能是由于感觉运动一体化缺陷.
- 未来的康复应该整合干预措施,以增强自身感知反和优化四头肌的激活,以更好的功能恢复在KOA.
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