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Volume 3, Issue 4 (12-2016)                   J Prevent Med 2016, 3(4): 75-67 | Back to browse issues page

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Habibi E, Haghshenas B, zare M, khakkar S. Risk of musculoskeletal disorders in a manufacturing company using NERPA and QEC methods. J Prevent Med. 2016; 3 (4) :75-67
URL: http://jpm.hums.ac.ir/article-1-211-en.html
1- Professor, Department of Occupational Health, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
2- MSc of Occupational Health, Isfahan University of Medical Sciences, Isfahan, Iran
3- Students, Master of Professional Health Engineering, Shahid University of Medical Sciences Beheshti, Tehran, Iran.
Abstract:   (4256 Views)
Introduction: Musculoskeletal disorders is one of the causes of occupational injuries and work-related disabilities in developing countries. This study performed in a manufacturing company to determine the risk of musculoskeletal disorders in different organs of the body using two posture assessment methods including NERPA and QEC. Methods: This cross-sectional study conducted on 87 workers of a manufacturing company. In order to determine the prevalence of musculoskeletal disorders in different body organs Nordic questionnaire was used. To determine the risk of musculoskeletal disorders QEC and NERPA methods were used. Level of statistical significance considered to be P< 0.050. Descriptive statistics, t-test, chi-square test, and correlation coefficient were used to analyze data. Results: Based on the results of Nordic questionnaire, higher prevalence of musculoskeletal disorders observed in the lumbar (32/18 %), knee (20/68%), and legs (14/94%) and CNC Operator had the highest musculoskeletal disorders. The results of Assessing the level of risk using QEC showed that the most prevalent risk level was "high risk" level (51/72%) and the results of the NERPA method also revealed that the most frequent risk level was "high risk " level (33.33%). Conclusion: The results showed that the Nordic questionnaire findings were more consistent with the QEC than NERPA method results. Also, according to findings and considering that QEC and NERPA respect various factors such as body postures, the force required, muscle activity, and workstations design, these two methods are suitable for study of the risk of musculoskeletal disorders in the manufacturing industries.
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Type of Study: Research | Subject: Special
Received: 2016/09/28 | Accepted: 2016/12/11 | Published: 2016/12/11

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