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王康玲,黄杰斌,吴 文,黄国志.一种便携式步态分析系统的信度研究[J].中国康复医学杂志,2016,(7):761~764
一种便携式步态分析系统的信度研究    点此下载全文
王康玲  黄杰斌  吴 文  黄国志
南方医科大学珠江医院康复科,广州,510280
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DOI:
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摘要:
      摘要 目的:探讨一种便携式步态分析系统在时空参数、多关节角度值的信度。 方法:选取30例健康青年,由2名评估者进行便携式步态分析,记录步频、步幅、步速、步长等时空参数和行走时矢状面、水平面和冠状面各关节活动角度的最大值,采用相关系数进行重测信度和测量者间信度的比较,评估其测量信度。 结果:时空参数、矢状面最大角度值组内相关系数(ICC)均>0.75,信度良好;水平面、冠状面最大角度值ICC无显著性差异或信度差。 结论:该便携式步态分析系统分析时空参数、矢状面最大角度值信度良好,可良好地反映步行功能,有较好的评估价值;水平面及冠状面关节角度值信度较低,应用时需谨慎。
关键词:时空参数  关节角度  步态分析  信度
Research on reliability of parameters taken by a portable gait analysis system    Download Fulltext
Zhujiang Hospital of Southern Medical University, 510280
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Abstract:
      Abstract Objective: To investigate the reliability of temporal and spatial parameters and joint angle values taken by certain portable gait analysis system. Method: Thirty healthy young people were collected. Temporal and spatial parameters, such as stride frequency, step length, walking speed, stride length and max joint angles at vertical, horizontal and coronal planes, were recorded with Portable apparatus Gait Watch . Test-retest and inter-observer correlation coefficients (ICCs) were used to evaluate the reliability within and between groups. Result: ICCs values of temporal and spatial parameters and max joint angle values of vertical plane were over 0.75, suggesting a good reliability, while values of horizontal and coronal planes showing no significant difference or low reliability. Conclusion: Temporal and spatial parameters and max joint angle values of vertical plane showed good reliability and could be used to acquire basic gait messages. Max joint angle values at horizontal and coronal planes have more variation.
Keywords:gait parameters  gait analysis  gait watch  reliability
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