| Summary: | 碩士 === 高雄醫學大學 === 職業安全衛生研究所碩士班 === 95 === In recent years, because the healthcare administration developed, the hospital has established transportation center and set up nursing aides to perform patients transportation and other task in nursing station. In the past years, many researches discussed about ergonomic hazards for the nursing staff but few for nursing aides. So, the aim of this study is to do ergonomic hazards analysis of nursing aides and propose improvements.
The subjects of this study were 53 from one of medical centers in the south of Taiwan. Three parts of this study were: 1) collecting musculoskeletal disorder data by questionnaire, 2) investigate high risk task by job analysis and 3) using ergonomics checklist (BRIEF) and biomechanics instruments to do ergonomic hazards analysis.
The results of questionnaire showed higher musculoskeletal disorder prevalence were in shoulder (79.2%), low back (66.7%), shank (64.6%) and ankle (60.4%). The result of BRIEF showed higher risks in the segments of hand/wrist, shoulder, neck and back. Based on the data of questionnaire, the sensitivity of BRIEF was 54% and specificity was 12.94%. It means that the BRIEF had better identification ability during subjects had made sure occurring musculoskeletal disorder by themselves. By biomechanics assessments, the L5/S1 disc of spine has been found over loading the action level when subjects performed some lifting tasks. When subjects performed pushing task, the activity level of their low back muscle were higher and the muscle fatigue occurred more easily. By comparing the low back muscle activities of different height, the lowest level had happened in 90 cm height when subjects perform pushing and pulling task.
The results showed that the tasks of nursing aides may occur musculoskeletal disorder. The recommendations to prevent the ergonomics hazards of the workers were adjusting the distribution of rest time and manpower from administration, revising the posture of the task and making job principle and enhance ergonomic knowledge to do their job correctly by training.
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