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Ergonomic Risk Factors Evaluation of Work-related Musculoskeletal Disorders by PATH and MMH in a Construction Industry

فصلنامه بهداشت، ایمنی و محیط زیست، دوره: 6، شماره: 1
Year: 1397
COI: JR_IJHSE-6-1_009
Language: EnglishView: 256
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Morteza Cheraghi - Dept. of Health, Safety & Environment (HSE), Faculty of Environment, University of Tehran, Tehran, Iran.
Meysam Shahrabi-Farahani - Dept. of Health, Safety & Environment (HSE), Faculty of Environment, University of Tehran, Tehran, Iran.
Seyyed Ali Moussavi-Najarkola - Occupational and Environmental Health Research Center (OEHRC), Iranian Petroleum Industry Health Research Institute (IPIHRI), petroleum Industry Health Organization (PIHO), Tehran, Iran


One of the prevalent injurious factors and disabilities is work-related musculoskeletal disorders (WMSDs). The aim of this study is to evaluate the risks of ergonomic factors inducing musculoskeletal disorders consequent from industrial construction by means of PATH (Posture, Activity, Tools and Handling) risk evaluation and MMH (Manual Material Handling). A cross-sectional study was conducted on 357 construction workers working in 21 different jobs of construction industry in Parand New City, south-west of Tehran, Iran. Nordic musculoskeletal questionnaire (NMQ) was used to determine the prevalence of musculoskeletal disorders. PATH was served to assess different body part postures such as back, feet, hands, also weight of tools and equipment and catching by hand (hand-catch). Most prevalence of musculoskeletal disorders was around back (30.5%) and knee (28.9%), and in opposed side elbow (4.2%) respectively. The results of Nordic musculoskeletal questionnaire (NMQ) showed that there is meaningful relation through pain of neck, wrist, hand, back and knee with workers age and working experience (P<0.05). Also through the different jobs under study in PATH method, there is different significant statistical results (P<0.05) in the postures of back, feet and hands, tools & Equipment weight and hand-catch (grabbing or taking by hand). The non-neutral postures were observed in some parts such as back (more than 30%), feet (more than 40%) and hands (more than 15%). PATH can be referred as a sensitive and efficient risk evaluation technique in construction industry, as well as MMH is a complementary method for more precision assessment of manual material handling risks in jobs involved in PATH high scores.


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Cheraghi, Morteza and Shahrabi-Farahani, Meysam and Moussavi-Najarkola, Seyyed Ali ,1397,Ergonomic Risk Factors Evaluation of Work-related Musculoskeletal Disorders by PATH and MMH in a Construction Industry,

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