Risk assessment of cumulative trauma disorders in Quarry and Stone Industries workers; Kermanshah in 1392

the workers in Quarry and Stone Industries done frequently some duties including lifting and carrying of heavy loads and they are exposed to high risk of cumulative trauma disorders. The aim of this study was to comparing the prevalence of musculoskeletal disorders and risk of work postures in Quarry and Stone Industries workers. this cross-sectional and analytical study was done on 63 workers of Stone Industries and 46 workers of Quarries in Kermanshah. Data were collected using by Nordic standard questionnaire، Body map chart and REBA method. The gathered data was been analyzed by Independent t-test، Mann-Whitney، Spearman and Pearson tests. P was 0. 05. The most prevalence of musculoskeletal disorders in both Stone and Quarry industries was related to low back that was 54% and 39% respectively. Mean and standard deviation of final scores of REBA in Stone and Quarry workers were 9. 06±1. 45 and 4. 6±1. 18 respectively. Results shows that a significantly correlation between age، work history and BMI with musculoskeletal disorders in Stone Industries and between age and work history with this disorders in Quarries (P<0. 05). the results shows that the risk level of REBA and prevalence of musculoskeletal disorders of Stone Industries was more than Quarries in shoulder، wrist، hand، lumbar، femur، knee، leg and ankle.