偏瘫步态中时相与周期的定量研究

Quantitative Analyses of Gait Cycle in Hemiplegia

目的:通过定量分析偏瘫患者的步行周期时相变化,发现其特征,从而为康复训练提供依据。方法:采用Wall和Ryuichi步态分析方法对30名偏瘫患者与30名正常对照受试者进行步行周期时相分析。结果:实验组中患肢比“健”肢的支撑期明显缩短,摆动期显著延长(P<0.01),对照组中两下肢的支撑期、摆动期无差异(P>0.05)。实验组与对照组的双支撑期、步行周期均存在显著差异(P<0.01)。结论:在自然行走过程中,偏瘫患者双下肢的单支撑期和摆动期的明显缩短是导致患者步行周期延长,步态异常,步速减慢,步行能力下降的根本原因。提示增加单足支撑训练是改善患者步态和步速的有效方法。

Objective:To find the walking feature of the hemiplegia by the quantitative analysis of phases and cycle in hemiplegic gait after stroke.Methods: To compare the difference of the gait cycle between 30 hemiplegic patients and 30 healthy people by using Wall and Ryuichi's gait analyses methods. Results: The period of support of affected side in experiment group was significantly shorter than that of unaffected side (P<0.01). Meanwhile, the sway period of affected side was remarkably longer than that of unaffected side (P<0.01). There were also notable differences in the phase of double support and gait cycle between experiment group and control group(P<0.01). Conclusion: The study indicates that the shorter single support time during the gait cycle in patients is responsible for the abnormal walking velocity , awful gait and decreased ability of walking. It suggests that increasing single support training is an effective way for improving the patients'gait.