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1- Physical Therapy Department, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Iran , fajabari@yahoo.com
2- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
3- Physical Therapy Department, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
Abstract:   (1304 Views)
Background. Overweight and obesity are increasing concerns in societies. Obesity has harmful effects on various body systems, including the musculoskeletal system, and can affect important muscles such as core muscles.
Objectives. The aim of this study was to compare core muscle endurance, and static and dynamic balance in adolescent girls (12-17 years) with normal body mass index (BMI) and obesity.
Methods. This cross-sectional study was conducted on non-athlete girls in Shiraz high schools with different BMI. Non-probability convenient sampling was used to recruit a total of 137 girls, with 80 participants in the normal group and 57 participants in the obese group, according to the World Health Organization's definition of BMI. The Biering-Sorensen test was used to measure the endurance of the extensor core muscles. The one-leg stance test was used to evaluate static balance and Timed Up and Go test was used to assess dynamic balance.
Results. There was no significant difference between normal and obese girls in static balance with eyes closed on the left and right leg (P<0.05). While there was a significant difference between the two groups in endurance, dynamic balance, and static balance with eyes open (P>0.05). The normal weight group had a higher endurance score and static balance with eyes open on the left and right leg compared to the obese group. The obese group had a higher score in dynamic balance than the normal weight group.
Conclusion. The results of this study showed that obesity reduces core muscle endurance and balance in adolescent girls.
Keywords: Endurance, Core Muscle, Body Mass Index, Obese, Static Balance, Dynamic Balance

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Type of Study: Original Article | Subject: Exercise, Training and Health
Received: 2023/03/1 | Accepted: 2023/05/4

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