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http://dx.doi.org/10.7465/jkdi.2012.23.5.895

A study on the effects of a 12-week compound exercise program on obese middle school girls' leptin and insulin levels  

Lee, Seon-Ik (Daedo Middle School)
Cho, Young-Seuk (Department of Statistics, Pusan National University)
Yang, Jeong-Ok (Division of Physical Education, Silla University)
Publication Information
Journal of the Korean Data and Information Science Society / v.23, no.5, 2012 , pp. 895-904 More about this Journal
Abstract
This study aims to examine the effects of a 12-week compound exercise program (aerobic exercise+weight training) on obese middle school girls' leptin and insulin before and after the exercise. This is achieved by dividing obese middle school girls whose body fat percentage is over 30% into a compound exercise group (n=20) and a control group (n=20) and conducting comparative analysis on them.After the Shapiro-Wilk normality test of the variables, a two-sample t-test was performed to see if the variables have the same mean between the compound exercise and control groups. A paired t-test was also performed to see if the changes in the variables before and after the compound exercise program were statistically significant. For all the statistical analysis, the significance level was set at ${\alpha}=0.05$. The results of this study showed the leptin and insulin levels in the combined exercise group had been significantly decreased. The regular 12 weeks of combined exercise is considered to have a positive impact on leptin and insulin levels in obese schoolgirls.
Keywords
Compound exercise program; insulin; leptin; obese middle school girls; paired t-test;
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