重复的机器人辅助单侧刚性扰动会产生显著的后效应，与中风后步态康复相关
Repeated Robot-Assisted Unilateral Stiffness Perturbations Result in Significant Aftereffects Relevant to Post-Stroke Gait Rehabilitation
AI总结：
本文提出了一种通过重复单侧刚性扰动的机器人辅助疗法，以改善中风后步态问题。
摘要：
由于偏瘫，中风幸存者经常会出现功能失调的步态，通常表现为行走速度的整体下降和单侧步长的减少。目前有数百万人受到这种功能失调步态的影响，因此需要稳健且有效的康复方案。尽管机器人设备已被用于多种步态康复方案，但缺乏显著的后效应，使其应用仍存疑问。本文提出了一种新型的机器人辅助干预方法，其产生的后效应持续时间远长于以往任何研究。通过使用新型机器人设备，变量刚性走道（VST），在若干步中减少支撑下肢的刚性。这种单侧刚性扰动会产生显著的后效应，对中风康复有益且通常在干预结束后持续超过200个步态周期。更具体地说，产生的后效应是双侧步长的增加，其中未受扰动的步长显著增加比受扰动的步长更多。这些效果可能有助于纠正中风后步态的两个最常见问题：整体行走速度的下降和单侧步长的缩短。本研究的结果表明，一种涉及重复单侧刚性扰动的机器人辅助疗法方案可以导致更持久有效的中风后步态解决方案。
英文摘要：
Due to hemiparesis, stroke survivors frequently develop a dysfunctional gait that is often characterized by an overall decrease in walking speed and a unilateral decrease in step length. With millions currently affected by this dysfunctional gait, robust and effective rehabilitation protocols are needed. Although robotic devices have been used in numerous rehabilitation protocols for gait, the lack of significant aftereffects that translate to effective therapy makes their application still questionable. This paper proposes a novel type of robot-assisted intervention that results in significant aftereffects that last much longer than any other previous study. With the utilization of a novel robotic device, the Variable Stiffness Treadmill (VST), the stiffness of the walking surface underneath one leg is decreased for a number of steps. This unilateral stiffness perturbation results in a significant aftereffect that is both useful for stroke rehabilitation and often lasts for over 200 gait cycles after the intervention has concluded. More specifically, the aftereffect created is an increase in both left and right step lengths, with the unperturbed step length increasing significantly more than the perturbed. These effects may be helpful in correcting two of the most common issues in post-stroke gait: overall decrease in walking speed and a unilateral shortened step length. The results of this work show that a robot-assisted therapy protocol involving repeated unilateral stiffness perturbations can lead to a more permanent and effective solution to post-stroke gait.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
