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首页> 外文期刊>Occupational and environmental medicine >A randomised controlled trial evaluating an alternative mouse and forearm support on upper body discomfort and musculoskeletal disorders among engineers.
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A randomised controlled trial evaluating an alternative mouse and forearm support on upper body discomfort and musculoskeletal disorders among engineers.

机译：一项随机对照试验，评估了工程师对上肢不适和肌肉骨骼疾病的替代鼠标和前臂支撑。

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OBJECTIVES: The aim of this intervention study was to determine the effects of an alternative mouse and/or a forearm support board on the change in upper body discomfort scores and the development of incident musculoskeletal disorders. METHODS: This randomised controlled intervention trial followed 206 engineers for one year. Participants were randomised to receive (1) a conventional mouse only, (2) an alternative mouse only, (3) a forearm support board, or (4) an alternative mouse plus forearm support board. Outcome measures included weekly upper body discomfort scores and incident musculoskeletal disorders. RESULTS: During the study, 42 participants were diagnosed with an incident musculoskeletal disorder. The group that received the forearm support board experienced a reduction in their right upper extremity discomfort (beta-coefficient -0.35, 95% CI -0.67 to -0.03) in comparison to those who did not receive a forearm board. The group that received the alternative mouse had a protective, but non-significant (p = 0.20), effect on incident cases of right upper extremity musculoskeletal disorders (HR 0.57, 95% CI 0.24 to 1.34) and a non-significant reduction in neck/shoulder discomfort (beta-coefficient -0.23, 95% CI -0.056 to 0.10) in comparison to those who received a conventional mouse. CONCLUSIONS: In engineers who use a computer for more than 20 h per week, a forearm support board may reduce right upper extremity discomfort attributed to computer use.
机译：目的：本次干预研究的目的是确定另一只小鼠和/或前臂支撑板对上身不适评分的变化和肌肉骨骼疾病的发展。方法：该随机对照干预试验对206名工程师进行了为期一年的随访。参与者被随机分配为接受（1）仅常规鼠标，（2）仅替代鼠标，（3）前臂支撑板，或（4）替代鼠标加前臂支撑板。结果指标包括每周上半身不适评分和事件性肌肉骨骼疾病。结果：在研究过程中，有42名参与者被诊断出患有肌肉骨骼疾病。与没有前臂支撑板的组相比，接受前臂支撑板的组的右上肢不适感有所减轻（β系数-0.35，95％CI -0.67至-0.03）。接受替代小鼠的组对右上肢肌肉骨骼疾病（HR 0.57，95％CI 0.24至1.34）的发病病例有保护性但不显着（p = 0.20）的影响，并且颈部无明显减少与接受传统鼠标的人相比，单肩不适（β系数-0.23，95％CI -0.056至0.10）。结论：在每周使用计算机超过20小时的工程师中，前臂支撑板可减少因使用计算机而引起的右上肢不适。

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