Effect of Aerobic Program in the Morning and Afternoon on Obestatin and the Body Composition of Overweight and Obese Women

This study was conducted with the aim to investigate the effect of morning and afternoon aerobic program on obestatin and the body composition in overweight and obese women. This quasi-experimental study was done in Rasht in 2018. In this study, 36 obese and overweight volunteers were randomly divided into 3 groups of training group in the morning (N=12), training group in the evening (N=12), and control group (N=12). The aerobic group did the aerobic exercise three 60-70 minute sessions for eight weeks. Exercise intensity was 55-70% MHR for the exercise period. Obestatin level and body composition of the subjects were measured before and after eight weeks of intervention. Data were analyzed using dependent t-test and analysis of variance (ANOVA) test. The results revealed no significant differences between the effects of aerobic exercise program in the morning and afternoon on obestatin in overweight and obese women. No significant difference was observed in obestatin between the training group at the morning and evening times, while a significant difference was observed in the body composition of the participants in the training group. In general, it can be concluded that morning and evening exercise have no significant effect on obstatin.