Telehealth monitor to measure physical activity and pressure relief maneuver performance in wheelchair users.
Telehealth monitor to measure physical activity and pressure relief maneuver performance in wheelchair users.
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DOI：
10.1080/10400435.2016.1220993
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
Gwin JT
中科院分区：
文献类型：
--
作者：
Dowling AV;Eberly V;Maneekobkunwong S;Mulroy SJ;Requejo PS;Gwin JT
本研究的目的是证明一种监测轮椅使用者减压动作和身体活动的装置的可行性。该装置根据轮椅加速度计算轮推次数，并使用由三个力感应电阻组成的座椅传感器测量减压动作。为了确定座椅传感器检测减压动作的可行性，10名轮椅使用者和10名非残疾对照组完成了一系列轮椅俯仰、躯干前倾和躯干侧倾。座位传感器被放置在用户自己的坐垫下面。为了确定轮推计数的可行性，10名全职轮椅使用者在自行推进（如轮推）和辅助推进（如别人推轮椅，没有轮推）的情况下，分别在50米的平坦室外跑道和100米的室外障碍跑道上穿行。在240例减压患者中，225例被座椅传感器正确分类（准确率：94%，灵敏度：96%，特异性：80%）。四种动作的准确率都在94%以上。对俯仰的敏感度最高（98%），对前倾的敏感度最低（80%）。在自我推进试验中，轮椅活动监测器测量到2112次推送，与仪器推送圈测量到的2162次推送相比（97.7%）。在辅助推进试验中，有477次错误识别的推进（每次试验8.0次）。
The purpose of this study was to demonstrate the feasibility of a device for monitoring pressure relief maneuvers and physical activity for wheelchair users. The device counts the number of wheel-pushes based on wheelchair acceleration and measures pressure relief maneuvers using a seat-sensor consisting of three force sensing resistors. To establish the feasibility of the seat-sensor for the detection of pressure relief maneuvers, ten wheelchair users and ten non-disabled controls completed a series of wheelchair depression raises, forward trunk leans, and lateral trunk leans. The seat-sensor was placed underneath the user's own seat cushion. To establish the feasibility of wheel-push counting, ten full-time wheelchair users navigated a flat 50 m outdoor track and a 100m outdoor obstacle course during self-propulsion (e.g., wheel-pushes) and during assisted-propulsion (e.g., someone else pushing the wheelchair, no wheel-pushes). Of the 240 performed pressure relief, 225 were properly classified by the seat-sensor (accuracy: 94%, sensitivity: 96%, specificity: 80%). All four types of maneuvers had accuracy above 94%. Sensitivity was highest for depression raises (98%) and lowest for front lean maneuvers (80%). The wheelchair activity monitor measured 2112 pushes during the self-propulsion trials compared to 2162 pushes measured with the instrumented push-rim (97.7%). During assisted-propulsion trials there were 477 incorrectly identified pushes (8.0 per trial).
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影响因子：
4.3
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