用卷积方法量化行走时左右肢体协调不对称性
A Convolution-Based Gait Asymmetry Metric for Inter-Limb Synergistic Coordination
- 基于LTI系统建模肢体间协同运动关系
- 在5名受试者身上验证了对称与非对称步态的差异
- 适合康复医学与步态分析研究者使用
本研究关注行走过程中各身体部位的速度模式，提出一种评估步态对称性的方法。传统运动分析多基于左右两侧肌电（EMG）信号或加速度差异来评估步态对称性。本文则采用线性时不变（LTI）系统建模肢体间节段协调关系，并提出一种不相似度度量指标用于对称性评估。该方法在5名受试者身上进行了测试，涵盖对称与非对称步态情形。
原文摘要 · Abstract (English)
This study focuses on the velocity patterns of various body parts during walking and proposes a method for evaluating gait symmetry. Traditional motion analysis studies have assessed gait symmetry based on differences in electromyographic (EMG) signals or acceleration between the left and right sides. In contrast, this paper models intersegmental coordination using an LTI system and proposes a dissimilarity metric to evaluate symmetry. The method was tested on five subjects with both symmetric and asymmetric gait.
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