Tibbi-i-kar

Introduction: Fatigue in the workplace as a normal everyday experience is, Extreme fatigue in the long run may lead to sick leave and work disability. The aim of this study was to investigate the association between the prevalence of musculoskeletal disorders - poor postures, muscle and levels of individual strength in a heavy metal industry. Methodology:This descriptive - cross sectional study was carried out on 100 workers in heavy metal small confirms was conducted in Isfahan. A compilation of four methods of data collection included observation method (For the analysis of jobs and tasks with repetitive movements), interviews (for questions about musculoskeletal disorders. A questionnaire musculoskeletal disorders Nordic (NMQ), fatigue and rapid assessment of exposure (QEC) and Rapid Upper Limb Assessment (RULA) was used. Data was examined using t - Independent Software SPSS16 were analyze. Results: The incidence of musculoskeletal disorders in different parts of the body, neck, elbows, back, waist and knees, with variables individual strength, mental fatigue, concentration, motivation, physical activity, there was no significant difference respectively (p<0.05). The results showed that the level of risk to the overall mean scores of QEC method's ability, there is a significant correlation (p<0.01). RULA method with overall mean scores between the risk levels of individual strength, there was no significant difference (p<0.05). Conclusion: Fatigue can be used as a prognostic is musculoskeletal disorders. Musculoskeletal disorders can be influential on fatigue.