The effect of exercise and diet regimen on body mass index of obese teen girls in schools of Karaj city, Iran

Obesity-induced changes in body mass due to lack of movement and poor diet is one of the important factors in adolescent children. It is becoming a big problem in new generation around world. Exercise and diet are more effective factors on obesity control. The aim of this study was to determine the effect of exercise and diet on body mass index in obese teen girls in schools of Karaj city، Iran. In this quasi-experimental study، 70 cases of adolescent students in 3th area of Karaj with class 1 obesity (BMI between 31 and 35)، were randomly assigned in control and intervention groups. Height، weight and BMI were measured in both groups before and after intervention. Interventions were include exercise and diet therapy about 1 hour، for 8 weeks. Paired and independent t tests used to data analysis based on SPSS software 17«Th. The average age of participants were 15. 33 years. There was a significant reduction in Intervention group after 8 weeks، while the control group has a little increase in BMI. The average mean of BMI in intervention group had a significant decrease compared to the control group (P<0. 001). The results of this study show that regularly aerobic exercise and diet can reduce body mass index in school age girls. By the way finding the best intervention need more studies.