ergonomic intervention, workplace exercises and musculoskeletal complaints:a comparative study

background :musculoskeletal disorders are among the most prevalent occupational disorders in different jobs such as office work. some interventions such as ergonomic modifications and workplace exercises are introduced as the methods for alleviating these disorders. in this study we compared the effect of ergonomic modifications and workplace exercises on musculoskeletal pain and discomfort in a group of office workers.   methods : in an interventional study on office workers, the effect of two interventions was compared. ergonomic modification consisted of correcting the arrangement of workstation and changing some equipment workplace exercises included stretching exercises focusing on neck, shoulders, low back, and hand and wrist. musculoskeletal complaints were assessed and compared before and after 1 month interventions.   results : the frequency of musculoskeletal complaints was high before the study. both interventions significantly reduced complaints in a similar manner except for low back pain which was reduced in exercise group more than the other group.   conclusion : in this study we found a beneficial short-term effect for both ergonomic modifications and stretching work-place exercises on reducing musculoskeletal pain in office workers.