Volume 16, Number 1 (6-2014)                   yafte 2014, 16(1): 79-90 | Back to browse issues page


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Emamdost S, Faramarzi M, Bagheri L, Otadi K, Amiri M, Yazdani T. The effect of combined exercise training on plasma Leptin levels and hormonal factors in overweight men. yafte. 2014; 16 (1) :79-90
URL: http://yafte.lums.ac.ir/article-1-1591-en.html

Associate Professor of Sports Physiology
Abstract:   (3304 Views)

  Background: The purpose of this study was to determine the effect of a period of combined exercise training on the plasma leptin level and hormonal factors in overweight men.

  Materials and Methods: The subjects of this research consisted of thirty males (22-42 years old, BMI ≥29) who randomly were divided into experimental (n=15) and control groups(n=15). The experimental group performed for 8 weeks aerobic and resistance training, 3 sessions per week and each session included 10-12 station strength training at 75-70% of One Repetition Maximum (1RM) for the first 4 weeks and at 75-80% of 1RM for the second 4 weeks. At the end, 10 minutes aerobic runing training at 70-75% of MHR in the first 4 weeks and 13 minute at 75-80% of MHR in the second 4 weeks were conducted.

  Results: Leptin, body weight, Body Mass Index (BMI) and insulin significantly decreased after the training ((P<0.05). However, There were no significant differences in the serum levels of cortisol and testosteron after 8 weeks concurrent training. The ratio of testosteron to cortisol (T/C) in the experimental group showed a slight increase.

  Conclusion: Generally, it appears that decrease of leptin due to a period of combined exercise training is more associated with reduce of body fat, weight and BMI than the change of testosteron or cortisol. In contrast to most researches, it seems that combined exercise training is more effective.

Full-Text [PDF 223 kb]   (1219 Downloads)    
Type of Study: Research |
Received: 2014/06/17 | Accepted: 2014/06/17 | Published: 2014/06/17

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