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根据中枢性关节炎的严重程度,评估膝关节关节生物力学和干姿势

Yuki Suzuki^1,2, Yasumitsu Ohkoshi³, Kensaku Kawakami⁴

¹Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita 15 jo, Nishi 7 chome, Kita-ku, Sapporo, Hokkaido, 060-8638, Japan. call-me-mark@hotmail.co.jp.

Scientific reports

|November 6, 2023

概括

膝关节关节炎 (OA) 随着严重程度的增加而改变了步态生物力学和干姿势. 在轻微的OA中,膝盖加伸时刻 (KAM) 的早期变化先于形变形的进展.

科学领域:

整形外科整形外科整形外科
生物力学生物力学
步态分析步态分析

背景情况:

膝关节关节炎 (OA) 是一种渐进的疾病,其特点是步态生物力学发生变化.
具体的三维 (3D) 步态特征和干姿势变化在中枢膝关节OA的不同严重程度仍然不完全理解.

研究的目的:

通过不同级别的Kellgren-Lawrence (KL) 测试,研究3D膝关节关节生物力学和中枢膝关节骨质炎患者的骨干姿势.
阐明骨关节炎的严重程度与特定的步态参数之间的关系,包括膝盖加伸时刻 (KAM) 和干运动.

主要方法:

用光学运动捕捉系统对75名膝关节中部骨质炎患者 (KL等级2,3和4) 和14名健康对照进行了行走分析.
使用点集群技术分析3D动力学和动力学,专注于膝关节的关节时刻和行走期间的体姿势.

主要成果:

在KL等级2膝关节OA中,在显著的形前观察到膝关节引时刻 (KAM) 的增加和膝关节曲时刻的减少.
KL 3级膝关节OA表现出显著的Varus变形进展和增加KAM.
KL 4级膝关节OA显示膝关节最大延伸减少,并且在走路时增加了干部曲.

结论:

这项研究澄清了3D动力学和中枢膝关节OA的动力学,包括干部曲,与疾病严重程度相关.
一个动力转换,标志着改变的KAM,发生在早期阶段 (2级) 膝关节OA,在严重阶段出现显著的形变形和松不平衡之前.

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