Method:Thirty less severe KOA(L) patients,30 more severe KOA(M) patients and 30 control subjects were measured with VICON MX13 motion analysis system respectively.

• 方法：利用三维动作分析系统对轻病组、重病组膝关节骨性关节炎患者和对照组各30名进行运动学参数测试。