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Volume 7, Issue 3 (Iranian Journal of Ergonomics 2019)                   Iran J Ergon 2019, 7(3): 24-32 | Back to browse issues page


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Rajabi Shameli E, Sheikhhoseini R, Asadi Melerdi S. The Relationship Between the School Furniture Dimensions and Trunk Alignment with Musculoskeletal Disorders in Boy Students in Karaj. Iran J Ergon 2019; 7 (3) :24-32
URL: http://journal.iehfs.ir/article-1-666-en.html
1- MsC, Department of Corrective Exercise & Sport Injury, Faculty of Physical Education and Sport Sciences, Allameh Tabataba'i University, Tehran, Iran
2- Assistant Professor, Department of Corrective Exercise & Sport Injury, Faculty of Physical Education and Sport Sciences, Allameh Tabataba'i University, Tehran, Iran , rahman.pt82@gmail.com
3- MSc, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran
Abstract:   (6828 Views)

Background and Objectives: Musculoskeletal disorders are common in students and several causes may be considered for them. The aim of this study was to investigate the relationship between school furniture dimensions and trunk posture with musculoskeletal disorders in students of the sixth grade of elementary school in Karaj.
Methods: In this cross-sectional study, 346 boy students in sixth grade of elementary school in Karaj were selected. A flexible ruler was used to measure thoracic kyphosis and lumbar lordosis angles. A 50-centimeter metal ruler was used to record ergonomic and anthropometric data of the students. Spearman’s correlation test was run to analyze the collected data at the significant level of 0.05.
Results: The results showed that only 18%, 12% and 50% of desk height, seat depth and seat height measures were at normal ergonomic conditions, respectively. A negative significant correlation was observed between seat depth and total Nordic score (P<0.05).
Conclusion: It seems that school furniture dimensions in sixth grade boy students of elementary school in Karaj were not in acceptable condition. So, we suggest that ergonomics standardization of school furniture should be considered to prevent its possible consequences.

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It seems that school furniture dimensions in sixth grade boy students of elementary school in Karaj were not in acceptable condition. So, we suggest that ergonomics standardization of school furniture should be considered to prevent its possible consequences.


Type of Study: Research |
Received: 2019/10/16 | Accepted: 2020/01/2 | ePublished: 2020/01/12

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