A Dynamic Wheelchair Armrest for Promoting Arm Exercise and Mobility After Stroke.
A Dynamic Wheelchair Armrest for Promoting Arm Exercise and Mobility After Stroke.
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DOI：
10.1109/tnsre.2022.3187755
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发表时间：
2022
期刊：
影响因子：
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中科院分区：
文献类型：
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通过充分的锻炼可以改善中风后手臂运动的恢复。然而，康复治疗通常是不够的。为了满足在治疗之外增加手臂锻炼的有效方法的需求，我们开发了一种新型扶手，称为 Boost。它可以像传统扶手一样轻松连接到标准手动轮椅上，使用户能够以线性前后运动锻炼手臂。本文提供了 Boost 的详细设计说明、评估操作所需关节扭矩的生物力学分析方法，以及对五名中风患者进行试点测试的结果。生物力学结果显示，所需的肩部屈曲和肘部伸展扭矩范围为推动标准推轮轮椅所需扭矩的 -25% 至 +36%，具体取决于施加力的方向。在试点测试中，所有五名参与者都能够在静止模式下使用 Boost 锻炼手臂（体力需求较低）。经过 2-5 次练习试验后，3 人实现了超过 2 m/s 的地上行走（体力要求较高）；其中两人无法用推轮推动轮椅。这种使用简单的动态扶手为偏瘫患者提供了一种在治疗之外，在轮椅上独立进行重复手臂锻炼的方法。值得注意的是，Boost 消除了伸手、抓握和释放推轮来推动轮椅的要求，而这是许多中风患者无法完成的动作。
Arm movement recovery after stroke can improve with sufficient exercise. However, rehabilitation therapy sessions are typically not enough. To address the need for effective methods of increasing arm exercise outside therapy sessions we developed a novel armrest, called Boost. It easily attaches to a standard manual wheelchair just like a conventional armrest and enables users to exercise their arm in a linear forward-back motion. This paper provides a detailed design description of Boost, the biomechanical analysis method to evaluate the joint torques required to operate it, and the results of pilot testing with five stroke patients. Biomechanics results show the required shoulder flexion and elbow extension torques range from −25% to +36% of the torques required to propel a standard pushrim wheelchair, depending on the direction of applied force. In pilot testing, all five participants were able to exercise the arm with Boost in stationary mode (with lower physical demand). Three achieved overground ambulation (with higher physical demand) exceeding 2 m/s after 2–5 practice trials; two of these could not propel their wheelchair with the pushrim. This simple to use, dynamic armrest provides people with hemiparesis a way to access repetitive arm exercise outside of therapy sessions, independently right in their wheelchair. Significantly, Boost removes the requirements to reach, grip, and release the pushrim to propel a wheelchair, an action many individuals with stroke cannot complete.
影响因子：
5.1
作者：
Zondervan DK;Palafox L;Hernandez J;Reinkensmeyer DJ
通讯作者：
Reinkensmeyer DJ