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http://dx.doi.org/10.5143/JESK.2011.30.3.419

Risk Factor Evaluation of Musculoskeletal Symptoms for Guards  

Lee, Kyung-Sun (Department of Industrial and Information Systems Engineering, Ajou University)
Lee, In-Seok (Department of Safety Engineering, Hankyong National University)
Kim, Hyun-Joo (Department of Occupational and Environmental Medicine, Dankook University College of Medicine)
Jung-Choi, KyungHee (Department of Preventive Medicine, Ewha Womans University School of Medicine)
Bahk, Jin-Wook (School of Public Health, Seoul National University)
Jung, Myung-Chul (Department of Industrial and Information Systems Engineering, Ajou University)
Publication Information
Journal of the Ergonomics Society of Korea / v.30, no.3, 2011 , pp. 419-426 More about this Journal
Abstract
Objective: The objective of this study was to evaluate a work of guards, using an ergonomic method(work analysis and posture analysis). Background: Most studies about guards were conducted in the field of medical, problems of shift, and the physical problems of old workers and social problems. But, guards consist of vulnerability group so it needs an ergonomic research in musculoskeletal disorders. Method: A head of an ergonomic estimation was work analysis(determination of combined task, work tool, work time and frequency of combined task) and posture analysis(upper body and lower body) of workers based on the video. Results: The result showed that combined task of guards was classification of patrolling, security, cleaning and waiting. The security indicated the highest ratio in the work time of combined tasks. The results of posture analysis for guards indicated high value in neutral. But, lower arm indicated high value in bending(left: 59%, right: 50%). Conclusion: The results of ergonomic methods indicated that guards' physical work load was not high during work, but comfortable work environment would be required for old guards. Application: If an ergonomic rule can be integrated into existing work environments, the risk of occupational injuries and stress will be reduced.
Keywords
Musculoskeletal symptoms; Guards; Work Analysis; Posture Analysis;
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