Objective To explore the 3D gait analysis of stroke hemiplegic patients. Methods 28 stroke hemiplegic patients were exam-ined with the 3D gait analysis system before and after 6-week rehabilitation. Results After rehabilitation, support phase time of the affected lower limb increased and swing phase time decreased (P<0.05). Step length, stride length and walking speed increased (P<0.05). There was significantly difference in range of motion (ROM) of hip deduction/abduction, flexion/extension, and knee flexion/extension, and ankle inter-nal/external rotation, varus/eversion, dorsiflexion/plantar flexion before and after rehabilitation (P<0.05). Conclusion 3D gait analysis sys-tem can evaluate the patient's gait objectively and quantitatively, and provide the basis for rehabilitation assessment.%目的：分析脑卒中偏瘫患者康复治疗前后的三维步态特点。方法采用三维步态分析仪对28例脑卒中偏瘫患者6周的常规康复训练前后分别进行三维步态分析检查。结果治疗后患侧下肢站立相百分比较前增加(P<0.05)，摆动相百分比较前减少(P<0.05)，较前接近正常值；患侧下肢的步长、跨步长，步速均较前增加(P<0.05)；患者髋关节内收外展、屈曲伸展，膝关节屈曲伸展，踝关节内外旋转、内翻外翻、背屈跖屈均较前改善(P<0.05)。结论三维步态分析系统能定量地评价患者的步态情况，可作为康复疗效评定的指标之一。
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