Department of Physical Therapy, Faculty of Medical Science, Fukuoka International University of Health and Welfare, Fukuoka 814-0001, Japan.
Department of Clinical Research Center, Fukuoka Orthopaedic Hospital, Fukuoka 815-0063, Japan.
Sensors (Basel). 2024 Aug 8;24(16):5137. doi: 10.3390/s24165137.
Excessive muscle co-contraction is one of the factors related to the progression of knee osteoarthritis (OA). A previous study demonstrated that pain, joint instability, lateral thrust, weight, and lower extremity alignment were listed as factors affecting excessive co-contraction in knee OA. However, this study aimed to assess the association between fear-avoidance beliefs and muscle co-contraction during gait and stair climbing in people with knee OA. Twenty-four participants with knee OA participated in this cross-sectional study. Co-contraction ratios (CCRs) were used to calculate muscle co-contraction during walking and stair climbing, using surface electromyography. Fear-avoidance beliefs were assessed by the Tampa Scale for Kinesiophobia-11 (TSK-11) for kinesiophobia and the Pain Catastrophizing Scale (PCS) for pain catastrophizing. Secondary parameters that may influence co-contraction, such as degree of pain, lateral thrust, weight, and lower extremity alignment, were measured. The relationships between the CCR during each movement, TSK-11, and PSC were evaluated using Spearman's rank correlation coefficient and partial correlation analysis, adjusted by weight and lower extremity alignment. Partial correlation analysis showed a significant correlation only between medial muscles CCR and TSK-11 during stair descent (r = 0.54, < 0.05). Our study revealed that kinesiophobia could be associated with co-contraction during stair descent in people with knee OA.
肌肉过度协同收缩是膝关节骨关节炎（OA）进展的相关因素之一。先前的研究表明，疼痛、关节不稳定、侧向推力、体重和下肢对线被列为影响膝关节 OA 过度协同收缩的因素。然而，本研究旨在评估膝关节 OA 患者在步态和上下楼梯过程中恐惧回避信念与肌肉协同收缩之间的关系。24 名膝关节 OA 患者参与了这项横断面研究。使用表面肌电图测量行走和上下楼梯时的协同收缩比（CCR）。使用 11 项运动恐惧回避量表（TSK-11）评估运动恐惧回避信念，使用疼痛灾难化量表（PCS）评估疼痛灾难化。测量了可能影响协同收缩的次要参数，如疼痛程度、侧向推力、体重和下肢对线。使用 Spearman 等级相关系数和偏相关分析评估了每个运动过程中的 CCR、TSK-11 和 PCS 之间的关系，通过体重和下肢对线进行调整。偏相关分析仅显示在下楼梯时内侧肌肉 CCR 与 TSK-11 之间存在显著相关性（r = 0.54， < 0.05）。我们的研究表明，在膝关节 OA 患者中，运动恐惧回避信念可能与下楼梯时的协同收缩有关。
