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首页> 外文期刊>Work: A Journal of Prevention, Assessment and Rehabilitation >The effects of a continuous passive motion device on myoelectric activity of the erector spinae during prolonged sitting at a computer workstation
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The effects of a continuous passive motion device on myoelectric activity of the erector spinae during prolonged sitting at a computer workstation

机译：连续被动运动装置对长时间坐在计算机工作站上的竖脊肌肌电活动的影响

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摘要

Continuous passive motion (CPM) has been proposed as a method to help individuals with low back pain cope with prolonged sitting. The purpose of this study was to investigate the effects that a commercially available CPM device had on lumbar and thoracic erector spinae (ES) muscle activation (using surface electromyography, 'EMG'), and on subjective discomfort during prolonged seated computer work with and without the use of the CPM device. There were no significant differences in average ES muscle activation levels, amplitude probability distribution functions, and EMG gaps number and length when sitting with the CPM device was compared to sitting normally. Subjective ratings of discomfort were also not significantly different between the two sitting conditions. The results indicated that there were no clear mechanisms by which the CPM device may reduce ES muscle pain and fatigue for the tasks and pain-free individuals studied.
机译：连续被动运动（CPM）已被提议作为一种帮助腰痛患者长时间坐着的方法。这项研究的目的是调查市售CPM设备对长时间坐着的计算机工作与不使用对腰椎和胸廓竖脊（ES）肌肉激活（使用表面肌电图'EMG'）以及主观不适的影响。 CPM设备的使用。使用CPM装置坐位与正常坐位相比，平均ES肌肉激活水平，幅度概率分布函数以及EMG间隙数量和长度没有显着差异。两种坐姿之间的主观不适等级也没有显着差异。结果表明，对于所研究的任务和无痛苦的个体，CPM设备没有减轻ES肌肉疼痛和疲劳的明确机制。

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    Tyson A.C. Beach; Stephanie K. Mooney; Jack P. Callaghan;

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    Department of Human Biology and Nutritional Sciences, College of Biological Science, University of Guelph, Guelph, Ontario, Canada, N1G 2W1.;

    Department of Human Biology and Nutritional Sciences, College of Biological Science, University of Guelph, Guelph, Ontario, Canada, N1G 2W1.;

    Department of Human Biology and Nutritional Sciences, College of Biological Science, University of Guelph, Guelph, Ontario, Canada, N1G 2W1.;

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