Volume 5, Issue 4 (Journal of Ergonomics 2018)                   J Ergon 2018, 5(4): 65-70 | Back to browse issues page


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Mououdi A, Mousavinasab N. The Trend of Anthropometric Dimensions Changes in Elementary PSchool Cof Mazandaran Province Between 1992 and 2014. J Ergon. 2018; 5 (4) :65-70
URL: http://journal.iehfs.ir/article-1-491-en.html
Faculty Member, Department of Occupational Health, School of Public Health, Mazandaran University of Medical Sciences, Sari, Iran , mououdi2006@yahoo.com
Abstract:   (1477 Views)
Background: Problems and complications caused by inappropriate tables and chairs dimensions in changing the shape of children's body are important issues nowadays. The aim of this study was to evaluate anthropometric dimensions of the changes in elementary school students of Mazandaran province between 1992 and 2014.
Methods: in two cross-sectional studies carried out between 1992 and 2014, anthropometric information of elementary school students were collected in the range of 6 to 11 years old. In 1992, 1758 students out of a population of 254204 and in 2014 2336 students out of a population of 208820 were selected using stratified random sampling method. In 1992, mechanical anthropometric was used for measuring while in 2014, an anthropometric chair photographic camera and anthropometric photogrammetric software (made by the researcher) were applied to measure. In this study, we measured the parameters of weight, amount of height, seat height, sitting height, shoulder width, hip width, thigh thickness, sitting length of the buttocks, hip length in sitting leg knee position. Data were analyzed using SPSS software package version 20.
Results: Comparison of the two study revealed that the average (SD) of the boy's weight increased from 25.82 kg (9.5) to 32.17 (11.03) (6.35 kg increase) and girls ‘weight accelerated 25.19 kg (6.5) to 33.10 (12.50) (7.91 kg increase). The boys' height was increased from 127.26 cm (9.6) to 134.80 (10.84) (54.7 cm increase) and a raise was observed form 126.5 cm (10.1) to 133.30 (11.18) (6.8 cm) among girls’ height and there were changes in other anthropometric factors as well.
Conclusion: The results show that students have significant anthropometric changes during a 22 years’ period, and it is needed to carefully design and construct children's devices especially the school chair and table.

 
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Type of Study: Research | Subject: Special

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