Document Type : Research Paper

Authors

1 Ph.D Student of Sport Physiology, University of Birjand

2 Professor‌ of Sport Physiology, University of Birjand

3 Associate Professor of Biochemistry, Birjand University of Medical Sciences

Abstract

Obesity is associated with decreased health-related indicators such as Sirtuin 1 and catalase. The aim of the present study was to determine the effects of 10 weeks of high-intensity interval training (HIIT) with green tea supplementation on Sirtuin 1 and catalase in overweight women. Thirty non-athlete overweight women (mean age: 21.07 ± 1.2 years, weight: 72.1 ± 2.6 kg and body fat percent: 34.1 ± 1.5) were randomly divided into three groups including: HIIT plus supplements, HIIT plus placebo, and supplement group. HIIT program included 30-second intervals of 20 m shuttle runs at 85–95% of maximum heart rate, three sessions per week for 10 weeks. Green tea groups consumed 500 mg green tea tablets for 10 weeks, three times a day. Sirtuin 1, catalase, maximum oxygen consumption and fat percentage of the subjects were measured before and after intervention. Ten weeks of HIIT plus green tea increased Sirtuin 1 and catalase levels and significantly decreased weight and fat percentage. These differences were significantly more pronounced in HIIT plus green tea group than the other two groups. Maximum oxygen consumption increased significantly only in HIIT plus green tea group. Combination of HIIT and green tea consumption may improve antioxidant system, body composition and maximal aerobic power in overweight women by increasingsirtuin1 and catalase.

Keywords

Main Subjects

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