教练
物理医学与康复
运动学
步态
物理疗法
计算机科学
医学
经典力学
物理
程序设计语言
作者
Shail Jadav,Karthik Subramanya Karvaje,Sujay D. Kadam,Vineet Vashista,James Sulzer,Ashish D. Deshpande,Harish J. Palanthandalam-Madapusi
出处
期刊:Journal of Medical Devices-transactions of The Asme
[ASME International]
日期:2024-03-16
卷期号:: 1-32
摘要
Abstract A majority of robotic gait trainers to facilitate physical therapy for gait rehabilitation in humans are based on multi-degree-of-freedom exoskeleton-based systems with sophisticated elctromechanical hardware and software, and consequently remain inaccessible to vast sections of the populations around the world. This study seeks to advance the development of a single degree-of-freedom gait trainer for gait therapy for individuals with neuromuscular impairments. The goal is to offer a cost-effective, accessible solution to cater to the global need for rehabilitation. We build upon the initial gait trainer design presented in Yul Shin, S.(2018) and provide an in-depth analysis and experimental validation of its kinematic performance. Performance of device is also tested and successfully demonstrated through trials involving two healthy individuals to examine its kinematic behaviour under human-induced load conditions. The gait trainer demonstrates satisfactory performance under both no load conditions and a 2kg load, exhibiting an area difference of 1% and 7% respectively. However, when subjected to a 5kg loading condition, a significant area difference of 27% is observed, primarily attributed to the cantilever loading at the driving shaft. A method to adjust link lengths based on specific human gait trajectories is proposed and validated. Additionally, a cost-effective tool for ankle trajectory measurement is introduced for validation. The study demonstrates the potential of an affordable, single DOF gait trainer in facilitating high-volume therapy for those with walking disorders. This research represents a step towards making gait therapy more accessible worldwide.
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