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Energy Expenditure of Male Blue Collar Workers  

Woo, Ji Hoon (Department of Preventive and Occupational Medicine, College of Medicine, Pusan National University)
Kang, Dongmug (Department of Preventive and Occupational Medicine, College of Medicine, Pusan National University)
Shin, Yong Chul (Department of Occupational Health and Safety, Inje University)
Kim, Myeong Ock (Department of Preventive and Occupational Medicine, College of Medicine, Pusan National University)
Son, Min Jung (Department of Preventive and Occupational Medicine, College of Medicine, Pusan National University)
Kim, Boo Wook (Department of Occupational Health and Safety, Inje University)
Cho, Byung Mann (Department of Preventive and Occupational Medicine, College of Medicine, Pusan National University)
Lee, Su Ill (Department of Preventive and Occupational Medicine, College of Medicine, Pusan National University)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.16, no.2, 2006 , pp. 183-192 More about this Journal
Abstract
Predicting energy expenditure (EE) is important to prevent work-related musculoskeletal disorders (WMSDs). The problem to predict EE is that the standard of EE is based on western data. The authors checked average EE by job categories to provide basic data for suggesting proper work intensity for Korean workers. This study was conducted from 2003 to 2005. Study subjects were recruited from 4 car parts assembly plant, 2 car assembly plant, 2 Heavy machine manufacturing plant and 2 shipyards. Total study subjects were 515 male workers. To estimate VO2max, sub-maximal test was conducted to measure VO275%max by bicycle ergometer (Combi Co, Aerobike 75XL II). Heartbeats were recorded with heartbeat recorder (Polar Electro Co, Finland, S810) during work. EE of work was calculated by recorded heartbeat and individual regression equation which was derived from sub-maximal test. Subjects were classified into 4 industry and 8 work posture, 23 job task categories. Mean EEs (S.D.) according to industry classification (kcal/min) were 4.9 (0.7), 4.8 (0.7), 4.9 (0.7), 5.0 (0.9), and 4.0 (0.5) for Car Part manufacture, Car Assembly, Ship Building, Heavy Machinery Manufacture, and Hospital Office, respectively. The results suggest that Korean male workers of exceeding to the NIOSH criteria will be needed to plan for job rescheduling to maintain $worker^{\circ}$Øs health. Further study to establish Korean work intensity standard would be needed.
Keywords
energy expenditure; heart rate; workload;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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