Effectiveness of Ergonomic Training Intervention on Risk Reduction of Musculoskeletal Disorders

Awkward posture during wok with computer is one of the most important risk factors which faced the computer users with risk of musculoskeletal disorders. The aim of the study was to assess effectiveness of an ergonomic training program on correction of awkward postures and reduction of other causes of musculoskeletal disorders among office workers in the National Iranian Gas Company. In this study, a total of 52 office workers were included. Training program was held two months and the Rapid Upper Limb Assessment (RULA) method was employed to assess risk of musculoskeletal disorders before and after of intervention phase. Statistical analysis was performed by using SPSS (ver 19.0). The results showed that the minimum and maximum of RULA scores were 3 and 7, respectively. After training intervention, these scores were reduced to 2 and 4, respectively. The significant association was observed between reduction of musculoskeletal risk factors before and after of intervention. Training program can effectively reduce risk of musculoskeletal disorders when held with the appropriate content and duration.