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Aims: Appetite is a mental feeling of starvation, satiety and desire to eat specific type of foods which can be affected by various factors. This study was done to investigate the effects of one week and 9 weeks of aerobic exercise on appetite and insulin resistance in obese women. Methods: This semi-experimental study was done in obese women (30 to 45 years old) of Mashhad city, Iran in Spring 2011 who had no physical activity except daily routines. 28 obese women with BMI more than 30 were selected as volunteers. Aerobic exercise was 4 times a week for 9 weeks and each session consisted 20 minute warm-up with a variety of running, stretching, flexibility and the jump movements. Then, the continuous running at a steady rate of 65-75% of maximum heart rate was done. In order to assess blood biochemical variables, blood sampling after 12 to 14 hours of fasting was performed in 2 stages (before trainings and after 9 weeks of training). Independent T test and analysis of variance with repeated measures were used to data analysis. Results: There was no significant difference between indexes of insulin, serum glucose, insulin resistance, HDL, LDL, TG and TC in control and aerobic exercise groups. There were no significant difference in appetite indexes between both groups after 9 weeks of aerobic exercise (p>0.05). Conclusion: 9 weeks of moderate intensity aerobic training does not have any effect on appetite and insulin resistance in obese women.

Keywords: Aerobic Exercise, Appetite, Insulin Resistance

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