首页> 外文会议>Annual Meeting of the Human Factors and Ergonomics Society(HFES 2007); 20071001-05; Baltimore,MA(US) >Cross-sectional Study of Upper Trapezius Muscle Activity and Self- Reported Neck/Shoulder Pain
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Cross-sectional Study of Upper Trapezius Muscle Activity and Self- Reported Neck/Shoulder Pain

机译:上斜方肌肌肉活动和自我报告的颈部/肩膀疼痛的横断面研究

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摘要

The purpose of this cross-sectional study was to compare the observed associations between upper trapezius muscle activity, as estimated with several summary measures obtained from surface electromyography (EMG), and self-reported neck/shoulder pain among a sample of 231 manufacturing workers. EMG methods used in this study included mean root-mean-square amplitude, the amplitude probability distribution function (APDF), EMG gaps analysis, and clustered exposure variation analysis. The observed seven-day prevalence of neck/shoulder pain was 13.9%. Of the EMG summary measures, only the 90th percentile of the APDF was significantly associated with symptoms, with crude and adjusted odds ratios of 2.57 (1.02-6.49) and 2.78 (1.07-7.21) per natural log unit, respectively. This study was largely inconclusive due to the similarity in the distributions of the summary measures between symptomatic and non-symptomatic participants, and explicit measures of posture and repetition may produce stronger associations with symptoms.
机译:这项横断面研究的目的是比较从表面肌电图(EMG)获得的几种汇总指标估计的上斜方肌活动与231名制造工人样本中自报告的颈部/肩部疼痛之间的相关性。本研究中使用的EMG方法包括均方根振幅,振幅概率分布函数(APDF),EMG间隙分析和聚类曝光变化分析。观察到的7天颈/肩痛患病率为13.9%。在EMG摘要测量中,仅APDF的90%与症状显着相关,每个自然对数单位的原始和调整后的优势比分别为2.57(1.02-6.49)和2.78(1.07-7.21)。由于有症状和无症状参与者简易量度的分布相似,因此本研究没有定论,明确的姿势和重复量度可能与症状产生更强的关联。

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