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首页> 外文期刊>International Journal of Industrial Ergonomics >Physical and mental workload interactions in a sterile processing department
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Physical and mental workload interactions in a sterile processing department

机译：无菌加工部门的身心工作量相互作用

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摘要

Work in healthcare facilities has been categorized as a high-risk job for developing Work-Related Musculoskeletal Disorders (WMSDs). Little attention has been given to the Sterile Processing Department (SPD) employees who are exposed to both mentally and physically demanding conditions, factors that may impose an elevated risk in the development of WMSDs. Previous studies have shown that WMSDs can be a result of complex interactions between physical, psychosocial, biological, and individual characteristics. However, the evidence of specific associations is still inconclusive. The objective of this study was to determine if the perception of mental workload causes workers to adopt more risky body postures. The study was carried out in four phases: 1) identification of musculoskeletal disorders using customized Nordic questionnaires, 2) ergonomic assessment of SPD using REBA method, 3) mental workload assessment of SPD using NASA-TLX, and 4) interaction between physical (postural risk) and mental workload through the performance of a task at two different levels of workload conducted through a controlled experiment. The findings indicate that increases in REBA scores and NASA-TLX indices were associated with days and conditions with higher workloads. Results showed evidence that increments on mental workload are related to worsening postures, increasing the risk of developing musculoskeletal disorders. These results serve to raise awareness and warn employees about the need to pause and analyze the way they perform their duties under high levels of workload in an attempt to reduce WMSDs risk in healthcare sector employees.
机译：在医疗保健设施中的工作被归类为开发与工作相关的肌肉骨骼障碍（WMSD）的高风险工作。已经给予无菌加工部门（SPD）员工的注意力，他们暴露于精神和物理要求的条件，可能对WMSD的发展造成高危险的因素。以前的研究表明，WMSD可以是物理，心理社会，生物学和个体特征之间复杂的相互作用的结果。但是，具体协会的证据仍然不确定。本研究的目的是确定心理工作量的看法是否导致工人采取更大的身体姿势。该研究进行了四个阶段进行：1）使用定制的北欧问卷鉴定肌肉骨骼障碍，2）使用REBA方法的人体工程学评估，3）SPD使用NASA-TLX的心理工作量评估，4）物理之间的相互作用（姿势风险）通过在通过受控实验进行的两种不同的工作负载下的任务的性能来实现危险。这些调查结果表明，REBA分数和NASA-TLX指数的增加与具有更高工作量的天和条件相关联。结果表明，心理工作量的增量与姿势恶化有关，增加了发育肌肉骨骼障碍的风险。这些结果有助于提高关于暂停和分析他们在高水平工作量下履行职责的方式的意识和警告员工，以试图减少医疗保健部门员工的WMSDS风险。

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