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A model for occupational injury risk assessment of musculoskeletal discomfort and their frequencies in computer users

机译：计算机使用者肌肉骨骼不适及其频率的职业伤害风险评估模型

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Occupational injuries pose a major problem in workplaces where computers are widely used. Intensive, repetitive and long period computer use results in costly health problems (direct cost), and lost productivity (indirect cost). Yet, the effect of musculoskeletal discomfort and their frequencies associated with the use of computers have not received considerable attention. This paper presents the findings of a risk assessment model through a scientific research to determine the effect of discomfort factors that contribute to musculoskeletal disorders resulting from intensive use of computers in the workplaces. In this context a questionnaire was given to 130 intensive computer users working in the university sector. A list of significant predictor variables for musculoskeletal disorders was developed to assess and analyze workplace ergonomics, worker attitudes and experiences on computer keyboard and mouse. The main focus of the current research is to seek and provide evidence that symptoms of musculoskeletal discomfort and the frequency of these symptoms are significant in the development of work-related musculoskeletal disorders (WRMSDs). This study provides the evidence that, ache and pain are the most common types of discomforts in all body regions. The discomforts were more pronounced at neck, shoulder, upper back, hand/wrist, and lower back regions. The risk factors determined by the risk assessment model were validated through ANOVA of the sEMG records for the control and test groups. The findings indicated that for each test group respondent, the mean musculoskeletal strain experienced differs in time, but the same is not true for the control group.
机译：在广泛使用计算机的工作场所中，职业伤害是一个主要问题。密集，重复和长期使用计算机会导致代价高昂的健康问题（直接成本）和生产力下降（间接成本）。然而，肌肉骨骼不适的影响及其与使用计算机相关的频率尚未引起足够的重视。本文通过科学研究介绍了风险评估模型的发现，以确定因在工作场所大量使用计算机而引起的肌肉骨骼疾病的不适因素的影响。在这种情况下，向在大学部门工作的130名密集计算机用户提供了调查表。制定了一系列有关肌肉骨骼疾病的重要预测变量，以评估和分析工作场所的人机工程学，工人的态度以及在计算机键盘和鼠标上的经验。当前研究的主要重点是寻找并提供证据，证明肌肉骨骼不适的症状以及这些症状的发生频率在与工作有关的肌肉骨骼疾病（WRMSD）的发展中具有重要意义。这项研究提供的证据表明，疼痛和疼痛是所有身体部位最常见的不适类型。在颈部，肩膀，上背部，手/腕和下背部区域不适感更加明显。风险评估模型确定的风险因素通过对对照组和测试组的sEMG记录进行ANOVA验证。研究结果表明，对于每个测试组应答者，所经历的平均肌肉骨骼应变在时间上有所不同，但对于对照组却并非如此。

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