en Occupational and Industrial Health Occupational and Industrial Health پژوهشي Original Article <p style="margin: 0cm 0cm 0pt; text-align: justify; line-height: normal; unicode-bidi: embed; direction: ltr;"><span style="font-size:14px;"><span style="font-family: times new roman;"><strong>Background:</strong> Since students spend a lot of time in classrooms and in steady state, many of them may experience signs of musculoskeletal disorders. The aim of this study was to determine the prevalence of musculoskeletal disorders and its related risk factors among students.<br> <strong>Methods: </strong>This descriptive-analytical and cross-sectional study was conducted among 129 students of Qazvin University of Medical Sciences in 2016. In order to determine the prevalence of musculoskeletal disorders, Nordic questionnaire was used. The relationship between musculoskeletal disorders and risk factors was evaluated in SPSS20 software.<br> <strong>Results: </strong>The highest incidence of musculoskeletal discomfort (80%) was observed in the waist area. The neck (38.3%) and shoulder (35%) were the most prevalent at the next levels. Marital status, age, weight, educational level, job, exercise and stress were identified as risk factors affecting the musculoskeletal disorders in the students.<br> <strong>Conclusion: </strong>It is possible to reduce the prevalence of musculoskeletal disorders by the necessary trainings to declare the risk factors and their modifications to the students, considering appropriate time between the classes and the use of ergonomic equipment and furniture in the classes. With these actions also can prevent from stress and consequently can increase the concentration and learning power in this group.</span></span><br> &nbsp;</p> Musculoskeletal disorders, Student, University, Nordic questionnaire 161 167 http://jhehp.zums.ac.ir/browse.php?a_code=A-10-109-1&slc_lang=en&sid=1 Samira Ansari samira_ansari71@yahoo.com 10031947532846009443 10031947532846009443 No Department of Occupational Health Engineering, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, Iran. Morteza Rezapoor rezapourm71@gmail.com 10031947532846009444 10031947532846009444 No Department of Occupational Health Engineering, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, Iran. Mohammad Amin Hematgar hematgar_ma0203@yahoo.com 10031947532846009445 10031947532846009445 No Department of Occupational Health Engineering, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, Iran. Atiye Sadat Ghazi saq7419@gmail.com 10031947532846009446 10031947532846009446 No Department of Occupational Health Engineering, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, Iran. Sakineh Varmazyar Svarmazyar@qums.ac.ir 10031947532846009447 10031947532846009447 Yes Department of Occupational Health Engineering, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, Iran.