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___________大学生不同运动方式下的足底压力分布研究_________

Plantar pressure distribution of college students in different movement patterns

作者:               吴宝平  闫松华  张宽  赵宇  宋红芳  郭学谦  刘志成          
单位:           首都医科大学生物医学工程学院(北京100069)     
关键词:           自然行走;倒走;慢跑;足底压力分布      
分类号:           R318.01    
出版年·卷·期(页码):2016·35·2(161-167)
摘要:

目的 自然行走、慢跑是人类最基本的运动,倒走是一些非特异性腰疼病人进行康复训练的一种运动。了解正常人的步态特征,可以为判定患者步态异常的生物力学研究提供对照。方法 选取50名大学生作为研究对象,应用0.5m footscan USB足底压力分布测试系统采集受试者自然行走、倒走和慢跑时的步态参数,并应用SPSS 17.0进行数据的统计学分析。结果 在3种运动方式下,左右足的支撑期分期均无显著性差异,足弓指数差异明显,足前部所受冲量百分比最大。而慢跑和自然行走相比,足支撑期分期均有显著性差异,T2-T5、M1-M5和MF区域的压强峰值有显著性差异。倒走时,全足支撑期以及足轴角明显大于自然行走和慢跑。结论 不同的运动方式改变了足底压力分布状态,在日常运动中,应结合自身体质状况选择运动。

Objective Walking and jogging are both the most basic movements for human. Walking backward is a kind of movement of rehabilitation training for treating the patient with a non-specificity pain in the lower back. Knowing the normal gait characteristics may provide the comparison for researches on treating the disease and concluding the abnormal gait. Methods We chose 50 college students as our subjects and collected the gait parameters of subjects during natural walking, walking backwards and jogging by using 0.5m footscan USB plantar pressure distribution measurement system and made statistical analysis for the data with SPSS 17.0. Results In the three kinds of movement patterns, there were no significant differences between left and right feet for the heel strike phase, stance phase and propulsion phase. And there were significant differences between left and right feet in arch index. Impulse percentage under forefoot was the most. However, there were significant differences for the heel strike phase, stance phase and propulsion phase, and for the peak pressure under T2-T5, M1-M5 and MF between the jogging and walking naturally. Compared with walking naturally and jogging, the stance phase and foot axis angle increased significantly when subjects walk backward. Conclusions Different movement pattern changed the plantar pressure distribution. In daily exercise, we should choose movement considering our physical conditions. 

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