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KMID : 1123420110050010049
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Journal of Korean Society for Prosthetics and Orthotics
2011 Volume.5 No. 1 p.49 ~ p.60
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Work-Related Musculoskeletal Pain and Workload Evaluation for Prosthetists and Orthotists
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Park Ji-Hong
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Abstract
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The purpose of this study was to investigate the incidence rate of work-related musculoskeletal pain in prosthetists and orthotists, and to ergonomically evaluate how the prosthesis manufacturing process is related to this pain. For the ergonomic evaluation of operations, the prosthesis manufacturing operation was divided into 10 categories. Based on these categories, a questionnaire and an operations evaluation were conducted. Data was collected using the structured questionnaire, which was conducted from January to March, in 2011, concerning 59 prosthetists and orthotists who work in hospitals, research institutes and private businesses. The ergonomic evaluation, known as the Rapid Entire Body Assessment (REBA), was used to conduct the operations evaluation. According to the questionnaire, 69.5% of the prosthetists and orthotists were suffering from musculoskeletal pain. The highest incidence of complaints were in the shoulders, with a rate of 18.3%, followed by lower backs with 15.7%, necks with 14.4%, wrists with 13.7%, and knees with 11.1%. According to the REBA, from the 10 categories in the prosthesis manufacturing operation, the orthotists who make the ‘plaster molds for lower limb orthotics’ had the highest risk level of a grade 9. Moreover, according to both REBA and the questionnaire, they also had the highest workload of all 10 categories in the prosthesis manufacturing operation. The level of the workload assessed by the REBA is related to the likelihood of developing musculoskeletal pain (r=0.83, p＜0.05). In order to prevent musculoskeletal pain in prosthetists and orthotists, their working posture and work environment needs to be amended and ergonomically improved, and they need to undergo practical training.
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KEYWORD
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Musculoskeletal pain, Prosthetist and orthotist, Rapid entire body assessment, Working postures
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