Volume 75, Issue 4 (July 2017)                   Tehran Univ Med J 2017, 75(4): 307-315 | Back to browse issues page

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Ghorbanian B, Shokrollahi F. The effects of rope training on Paraoxonase-1 enzyme, insulin resistance and lipid profiles in inactive girls. Tehran Univ Med J 2017; 75 (4) :307-315
URL: http://tumj.tums.ac.ir/article-1-8152-en.html
1- Department of Sport Sciences, Faculty of Education and Psychology, Azarbaijan Shahid Madani University, Tabriz, Iran. , b.ghorbanian@azaruniv.ac.ir
2- Department of Sport Sciences, Faculty of Education and Psychology, Azarbaijan Shahid Madani University, Tabriz, Iran.
Abstract:   (3128 Views)
Background: Paraoxonase-1 (PON1) is one of the most important enzymes for removal of the free radicals, and the main protective factor for lipoproteins against oxidative agents. The purpose of this study was to investigate the effects of eight weeks’ rope training on paraoxonase-1 enzyme, insulin resistance and lipid profiles in inactive overweight and obese girls.
Methods: This quasi-experimental study was conducted in Iranian Azarbaijan Shahid Madani University of Tabriz, from November 2016 to January 2017. In this study, 20 healthy overweight and obese in-active girls (20-25 Yr) volunteered and randomly assigned into exercise (n=10) and control (n=10) groups. Exercise protocol was rope training was 8 week for 4 day per week in 45 minute per day. Some anthropometric indexes of subjects were measured before and after exercise. A fasting blood sample was collected as pre-test and post-test, followed by 48 hours of physical inactivity to measure serum levels of PON1 enzyme, Insulin, lipid profiles and other blood variables. Analysis of the data was performed by paired and independent samples t-tests by using the SPSS software, version 20 (IBM, Armonk, NY, USA). The criterion of statistical significance was set as P<0.05.
Results: The paired samples t-test results showed that after exercise intervention, in exercise group, the values of all variables (except low-density lipoprotein) were significantly changed. Also, to compare with control group, the values of PON1 enzyme (P=0.024) and maximum oxygen consumption (P=0.006) significantly increased and insulin resistance index (P=0.028), triglyceride (P=0.046) and body fat percent (P=0.001) were significantly decreased (P<0.05).
Conclusion: The results of this study showed that performing rope training for 8 weeks induced positive changes in paraoxonase-1 enzyme, insulin resistance index, maximum oxygen consumption and some lipid and anthropometric indices in overweight and obese young girls. Therefore, according to these results, rope training, as an aerobic activity it can be useful for all people especially in overweight and obese to control blood fats, body composition and prevent diseases due to obesity such as cardiovascular disease. 
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