Volume 3, Issue 4 (3-2018)                   J Sport Biomech 2018, 3(4): 5-15 | Back to browse issues page

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Taherian A, Shojaei M, Daneshfar A, Sharifdoust M. Introducing a Model for Determining the Center of Mass in Children Aged 6 to 12 in Isfahan. J Sport Biomech. 2018; 3 (4) :5-15
URL: http://biomechanics.iauh.ac.ir/article-1-150-en.html
1- College of Physical Education and Sport Sciences, Al-Zahra University, Tehran, Iran.
Abstract:   (3232 Views)
Objective: The center of mass is dependent on the distribution of mass and the properties of the length of the upper parts of the body to the lower parts of the body. This plays a fundamental role in the body's balance, which can be measured in various ways. The purpose of this study was to provide a model for determining the center of mass in girls and boys aged 6 to 12 years.
Methods: Participants in this study were 192 healthy girls and 192 healthy boys who were studying in Isfahan, who were selected through cluster sampling from among 154850 students. For this purpose, their mass was measured with a bascule, and the variables related to stature with a meter and the center of mass with a weighing machine based on calculating torques. The variables that had the greatest impact on the center of mass were determined through a multivariate regression assumptions and stepwise method and some models were proposed.
Results: The model obtained for girl’s, showed that the stature, body mass index and sitting height per stature ratio, could be used to estimate the center of mass, and that the estimated center of mass for boy children, with stature, sitting height and sitting height per stature ratio, could be obtained through an equation.
Conclusion: It is recommended to use the obtained equations in order to estimate the center of mass of children's bodies, rather than using multiple and sometimes difficult, time-consuming and costly methods and calculations.
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Type of Study: Research | Subject: Special
Received: 2018/01/13 | Accepted: 2018/02/28 | Published: 2018/03/3

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