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Towards the Ambulatory Assessment of Movement Quality in Stroke Survivors using a Wrist-worn Inertial Sensor

机译:使用腕式惯性传感器实现对卒中幸存者运动质量的动态评估

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Stroke is a leading cause of long-term disability that may lead to significant functional motor impairments in the upper limb (UL). Wrist-worn inertial sensors have emerged as an objective, minimally-obtrusive tool to monitor UL motor function in the real-world setting, such that rehabilitation interventions can be individually tailored to maximize functional performance. However, current wearable solutions focus on capturing the quantity of movement without considering the quality of movement. This paper introduces a novel approach to unobtrusively estimate the quality of UL movements in stroke survivors using a single wrist-worn inertial sensor during any type of voluntary UL movements. The proposed method exploits kinematic characteristics of voluntary limb movements that are optimized by the central nervous system during motor control. This work demonstrates that the proposed method could extract clinically important information during random UL movements in 16 stroke survivors, showing a statistically significant correlation to the Functional Ability Scale - a clinically validated score for movement quality.
机译:中风是长期残疾的主要原因,可能导致上肢(UL)的严重功能性运动障碍。腕戴式惯性传感器已成为一种客观的,对干扰最小的工具,可以在实际环境中监控UL电机的功能,因此可以单独定制康复干预措施,以最大限度地发挥功能性能。但是,当前的可穿戴解决方案着重于捕获运动量而不考虑运动质量。本文介绍了一种新颖的方法,可以在任何类型的自愿性UL运动过程中使用单个腕戴式惯性传感器,无障碍地估计卒中幸存者的UL运动质量。所提出的方法利用了自主肢体运动的运动学特征,该运动特征由运动控制期间的中枢神经系统优化。这项工作表明,所提出的方法可以在16名卒中幸存者的随机UL运动过程中提取临床重要信息,从而显示出与功能能力量表(临床上经验证的运动质量评分)具有统计学显着相关性。

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