膝骨关节炎患者步态动力学相关参数分析

被引:48
作者
李伟 [1 ,2 ]
周敬滨 [2 ]
陶增羽 [2 ]
李国平 [2 ]
机构
[1] 上海体育学院
[2] 国家体育总局运动医学研究所
关键词
膝关节; 骨关节炎; 步态; 动力学;
D O I
暂无
中图分类号
R684.3 [关节炎];
学科分类号
100220 [骨科学];
摘要
目的:分析膝关节骨性关节炎(KOA)患者下肢关节的动力学变化特点,为进一步研究其发病机制及临床治疗提供依据。方法:选取胫股关节OA患者60名,根据K/L影像分级分为轻型患病组(LKOA)和重型患病组(MKOA);另取年龄、性别、体重、身高与患病组相当的30名正常受试者作为健康对照组(CON)。利用VICON三维动作分析系统测试并比较实验对象下肢各关节动力学相关参数。结果:支撑早期,LKOA组膝关节最大外展力矩大于MKOA组和CON组(P<0.001);MKOA组支撑期中期膝关节内收力矩第1峰值显著大于LKOA组(P<0.05)和CON组(P<0.001);LKOA组支撑末期膝关节内收力矩第2峰值明显低于CON组(P<0.05);MKOA组髋关节内收力矩第1峰值显著低于CON组(P<0.05)。结论:胫股关节KOA病情越重,膝关节内侧面负荷越大;与健康人相比,OA患者髋关节外展力矩较大,重型患者髋关节内收力矩较小。
引用
收藏
页码:268 / 271
页数:4
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