Purpose: The purpose of this study was to determine the effects of a weight loss program administered through a smart phone application on body composition and obesity in adolescents. Methods: This study applied a 6-week weight loss program with dietary education, exercise therapy, and behavior modification therapy from 4 June 2012 to 20 July 2012. The collected data were analyzed by descriptive statistics and the Wilcoxon signed rank test using the SPSS WIN 18.0 program. Results: After the 6-week program, the average weight of the subjects was reduced from 75.96kg to 74.41kg (Z=<TEX>-3.994ᵖ</TEX>, p<.001), while the body mass index (BMI) decreased from 29.23 to 28.60 (Z=<TEX>-3.980ᵖ</TEX>, p<.001), and the obesity index decreased from 38.45% to 35.59% (Z=<TEX>-3.977ᵖ</TEX>, p<.001). The percentage of body fat decreased from 32.45 to 31.92 (Z=<TEX>-3.947ᵖ</TEX>, p<.001), and the rate of skeletal muscle growth increased from 26.06% to 26.58% (Z=<TEX>-3.822ᵖ</TEX>, p<.001). Conclusion: A weight loss program using a SNS (social network service) application, with dietary education, exercise therapy, and behavior modification therapy can reduce obesity and impact body composition in a short-term. Therefore, the utilization of the SNS application can be used to effectively enhance the management of adolescent obesity.
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Jun et al. (2013) studied this question.
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