膝骨关节炎患者本体感觉的影响因素分析

Influence factors of joint proprioception in patients with knee osteoarthritis

目的探讨膝骨关节炎(KOA)患者本体感觉与膝关节肌力、BMI、疼痛、功能的相关性。方法选取门诊就诊的KOA患者50例,分别运用PK254动静态平衡仪、等速肌力训练仪对其本体感觉(指标包括ATE、平均力量差)、伸屈肌群肌力进行评估,并将本体感觉指标与伸屈肌群峰力矩、BMI、VAS评分、WOMAC指数进行Pearson相关性分析。结果 KOA患者ATE与伸屈肌群峰力矩呈负相关,与BMI、VAS评分、WOMAC指数呈正相关(r=-0.542,-0.493,0.517,0.51,0.566,P<0.05);平均力量差与BMI、WOMAC僵硬指数呈正相关(r=0.496,0.59,P<0.05),与伸屈肌群峰力矩、VAS评分、WOMAC疼痛和功能指数无明显相关性(P>0.05)。结论 KOA患者本体感觉与肌力、BMI、疼痛、功能具有相关性,在防治KOA的同时要重视对本体感觉的训练。

Objective To explore the relationship between joint proprioception and muscle strength, BMI, pain, and function in patients with knee osteoarthritis （KOA）. Methods Fifty patients with KOA were selected in this study. Proprioception （indicators including ATE and the average load power difference） and knee extensor/flexor strength were assessed by Pro-kin 254 dynamic and static balance system, and isokinetic dynamome- ter respectively. The COlxelation between indicators of joint proprioception and isokinetic extensor and flexor peak torque, BMI, VAS score and WOMAC index were analyzed with Pearson correlation coefficient. Results ATE was negatively correlated with knee isokinetic extensor/flexor peak torque, but positively with BMI, VAS score, and WOMAC index（r = -0.542, -0.493, 0.517, 0.51, 0.566, P 〈 0.05）. The average load power difference had a positive con＇elation with BMI （r = 0.496 ,P 〈 0.05） and WOMAC stiffness score （r = 0.593, P 〈 0.05）, but had no significant correlation with knee isokinetic extensor/flexor peak torque, BMI, VAS score, WOMAC stiffness score and physical function score （P 〉 0.05）. Conclusions Proprioception is related to knee extensor/flexor strength, BMI, pain, and function in patients with KOA. In the prevention and treatment of KOA, we should also pay attention to the training of propriception.