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KMID : 0895420080180020122
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Journal of Korean Society of Occupational and Enviromental Hygiene
2008 Volume.18 No. 2 p.122 ~ p.132
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Ergonomic risk factors related to musculoskeletal symptoms in the vineyard workers
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Lee Yong-Ho
Lee Jae-Hoon
Lee Kyung-Suk
Kim Kyung-Ran
Lee Soo-Jin
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Abstract
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The purpose of this study is to present the basic materials of a developmental counterplan by assessing prevalence of musculoskeletal symptoms and characteristics of work-related ergonomic risk factors. The prevalence of musculoskeletal symptoms of 64 vineyard workers was investigated by using a self-reported questionnaire. And the vineyard workers’ tasks were also collected and analyzed during 9-month period by observing and videotaping methods to identify the ergonomic risk factors. The prevalence rate of musculoskeletal symptoms of female(84.4%) was much higher than that of male(62.5%) and a total prevalence rate was 73.4%. There was no different prevalence of musculoskeletal symptoms between age over 60 years and under 60 years. The prevalence rates of musculoskeletal complaints for each body part were 48.4%, 42.2%, and 35.9% for the wrist, legs/knee, and shoulder, respectively. In postural risk analysis, 7 works(REBA score) represented the high risk tasks such as delivering harvest boxed(12), picking cluster(11) and so on. The main works(exposure score) were orderly ranked as picking cluster(1590), pruning branch(388), and cluster thinning(327). The risk factors of vineyard work were identified as follows: shoulder flexion(≥45°), wrist Flex./Ext.(≥15°), hand force(power/pinch-grip), and prolonged standing(≥4hr). The engineering solutions including an improvement of hand tools, working process, and working environment should be applied to the high risky tasks in order to resolve the ergonomic
problems. The administrative solutions such as improving adistribution of resting time, an exercise cure, an early
recognition of symptoms and rehabilitation might be another solution for reducing musculoskeletal symptoms in vineyard
workers.
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KEYWORD
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Ergonomic risk factors, musculoskeletal symptom, vineyard work
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