Introduction:  Skeletal-muscular disorders are cumulative injuries that result from doing work in dangerous conditions and poor physical conditions that develop over several years. One of the major problems in computer users is skeletal-muscular disorders. The present study investigated the effect of teaching ergonomic principles to computer users on the prevalence of skeletal-muscular disorders.
Materials and methods: This study was descriptive and cross-sectional in terms of time, which was conducted among the administrative and support staff of Imam Reza hospital in Mashhad. In this study, 77 people from the administrative and support staff after the initial assessment of their physical condition during The work of the ergonomic intervention program to reduce musculoskeletal disorders during a three-month period to the users, physical condition assessment before and after the training was carried out using the Rapid Administrative Strain Assessment (ROSA) method, the data was analyzed by spss software version 20. it placed.
Results: The prevalence of discomfort and pain was reported mainly in the back (57.2) and neck (43.8) areas and the highest percentage of ROSA score was 5 before training (42.3%), which after the intervention and training to the personnel, this percentage increased to 9.6. % Receipt.
Conclusion: The results of this study showed the importance of teaching the principles of ergonomics using computer systems in reducing musculoskeletal disorders and it was found that with proper training, the level of musculoskeletal disorders in this group of occupations can be minimized.

Keywords: Musculoskeletal Disorders, ROSA Method Evaluation, Computer Users, Education

     

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