지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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이 논문의 연구 히스토리 (4)
2016
Safe Weight Assessment in Manual Materials Handling Livestock Feed Using Response Bias
Insoo Kim
,
Kyung-Suk Lee
,
Hye-Seon Chae
외 4명
대한인간공학회 학술대회논문집
2016.11
학술대회자료
Safe Weight Assessment in Manual Materials Handling Livestock Feed Using JND for Elderly Farmers
Insoo Kim
,
Kyung-Suk Lee
,
Hye-Seon Chae
외 2명
대한인간공학회 학술대회논문집
2016.06
학술대회자료
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초록· 키워드
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Objective: The purpose of the study is to evaluate appropriate weight for aged farmers in manually handling livestock feed in bags using ergonomic methods.
Background: In the livestock industry in South Korea, despite the trend of aging of labor manpower, heavy items are still manually handled in many farms. In particular, among stockbreeding works, the handling of feed in bags weighing 25~30kg is reported as a cause of frequent injuries and musculoskeletal system diseases. However, studies on the standard for recommended weight allowed considering the physical characteristics of aged farmers older than 60 years with greatly decreased physical strength and muscle strength are insufficient.
Method: To evaluate appropriate weight for handling of heavy livestock feed in bags, physical techniques for measuring recognized levels of physical work loads, the NLE (NIOSH lifting equation) a method that is an observation type technique, and an ergonomic modeling technique to predict compressive force imposed on L5/S1 were used. Subjects who participated in the experiment were organized into two groups of males/females with mean age exceeding 60 years, and lifting tasks were evaluated for nine weight levels.
Results: Based on the results of psychophysical measurement, females showed a tendency of more drastic increases compared to males when weight was over 19kg. The results of estimation of regression models for the weight, 18.0 kg (r²=0.97) and 15.3kg (r²=0.97) were evaluated as stable load for males and females, respectively. In addition, both the observation type evaluation and ergonomic model evaluation showed stable loads in a range of 15~18kg.
Conclusion: Given the results of the study, the weight of the feed in bags currently distributed to farms can become a cause of not only overexertion but also farm work related disasters such as musculoskeletal disorders and safety accidents. Providing livestock feed in bags weighing not more than 19kg for aged farmers is judged desirable, and managerial improvement for this matter is considered necessary.
Application: The results of the present study can be utilized as useful data for institutional improvement of the weight of livestock feed in bags.
Background: In the livestock industry in South Korea, despite the trend of aging of labor manpower, heavy items are still manually handled in many farms. In particular, among stockbreeding works, the handling of feed in bags weighing 25~30kg is reported as a cause of frequent injuries and musculoskeletal system diseases. However, studies on the standard for recommended weight allowed considering the physical characteristics of aged farmers older than 60 years with greatly decreased physical strength and muscle strength are insufficient.
Method: To evaluate appropriate weight for handling of heavy livestock feed in bags, physical techniques for measuring recognized levels of physical work loads, the NLE (NIOSH lifting equation) a method that is an observation type technique, and an ergonomic modeling technique to predict compressive force imposed on L5/S1 were used. Subjects who participated in the experiment were organized into two groups of males/females with mean age exceeding 60 years, and lifting tasks were evaluated for nine weight levels.
Results: Based on the results of psychophysical measurement, females showed a tendency of more drastic increases compared to males when weight was over 19kg. The results of estimation of regression models for the weight, 18.0 kg (r²=0.97) and 15.3kg (r²=0.97) were evaluated as stable load for males and females, respectively. In addition, both the observation type evaluation and ergonomic model evaluation showed stable loads in a range of 15~18kg.
Conclusion: Given the results of the study, the weight of the feed in bags currently distributed to farms can become a cause of not only overexertion but also farm work related disasters such as musculoskeletal disorders and safety accidents. Providing livestock feed in bags weighing not more than 19kg for aged farmers is judged desirable, and managerial improvement for this matter is considered necessary.
Application: The results of the present study can be utilized as useful data for institutional improvement of the weight of livestock feed in bags.
목차
1. Introduction
2. Methods
3. Results and Discussion
4. Conclusion
References
참고문헌 (20)
참고문헌 신청
[단행본] - Borg, G / 1993 / Borg's perceived exertion and pain scales / Human Kinetics
[학술지(정기간행물)] - Chaffin, D.B. / 1973 / A longitudinal study of low back pain as associated with occupational lifting factors / American Industrial Hygiene Association Journal 38 : 662 ~ 675
[학술지(정기간행물)] - Drury, C. / 1983 / Hand Placement in Manual Materials Handing / Human Factors 25 (5) : 551 ~ 562
[학술지(정기간행물)] - Fathallah, F.A / 2010 / Musculoskeletal disorders in labor-intensive agriculture / Appl Ergon 41 : 738 ~ 743
[단행본] - International Organization for Standardization / 2003 / International Standard ISO 11228-1, Ergonomics - Part 1: Lifting and Carrying / Geneva
[학술지(정기간행물)] - Chaffin, D.B. / 1973 / A longitudinal study of low back pain as associated with occupational lifting factors / American Industrial Hygiene Association Journal 38 : 662 ~ 675
[학술지(정기간행물)] - Drury, C. / 1983 / Hand Placement in Manual Materials Handing / Human Factors 25 (5) : 551 ~ 562
[학술지(정기간행물)] - Fathallah, F.A / 2010 / Musculoskeletal disorders in labor-intensive agriculture / Appl Ergon 41 : 738 ~ 743
[단행본] - International Organization for Standardization / 2003 / International Standard ISO 11228-1, Ergonomics - Part 1: Lifting and Carrying / Geneva
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UCI(KEPA) : I410-ECN-0101-2016-530-001700269