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Volume 2, Issue 3 (Journal of Ergonomics 2014)                   Iran J Ergon 2014, 2(3): 44-56 | Back to browse issues page

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Khodabakhshi Z, Saadatmand S A, Anbarian M, Heydari Moghadam R. An ergonomic assessment of musculoskeletal disorders risk among the computer users by RULA technique and effects of an eight-week corrective exercises program on reduction of musculoskeletal pain. Iran J Ergon 2014; 2 (3) :44-56
URL: http://journal.iehfs.ir/article-1-88-en.html
1- Assistant Professor, Ergonomics Department, Hamadan University of Medical Sciences, Hamadan, Iran. , dr_haidari@yahoo.com
Abstract:   (26377 Views)
 

Introduction: The prevalence of work-related musculoskeletal disorders in computer users is high. The purpose of this study was to evaluate ergonomic assessment musculoskeletal disorders risk in computer users determine the effect of an eight-week corrective exercises program on reduction of musculoskeletal pain.

Material and Methods: In the first phase of the study, RULA technique and Nordic questionnaires were used to evaluate postures and musculoskeletal disorders of 84 computer users of Tuyserkan administrations. In the next phase, 30 individuals for participating in a corrective exercises program intervention divided into two groups namely, experimental (n=15) and the controls (n=15). Subjects were re-evaluated after period of eight weeks. Data was analyzed using independent and dependent t-tests.

Results: The overall prevalence of pain was seen in neck, lumbar, shoulders, back, carpal and hand, elbow respectively. In posture analysis, 61.3 and 53.6 percent of subjects were in action level of 2 in left and right limbs respectively, 32.2 and 44.1 percent of subjects were in action level of 3 and 2.4 percent in level of 4 in right side. After the corrective exercise intervention, there was 38.3% significantly reduction pain for upper limbs (p=0.001) and 38.7% for lower limbs (p=0.006).

Conclusion: This study showed that frequency of musculoskeletal problems in neck, lumbar, shoulders, back, wrist was generally high among our subjects, and selected corrective exercises could reduce the risk level and pain.

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Type of Study: Review |
Received: 2014/04/26 | Accepted: 2014/12/27 | ePublished: 2015/01/1

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