IRCT2015100224291N1 IRCT 2015-12-26 Vice chancellor for research,shahid Rajaee Teacher Training University of Medical Sciences Effect of Walking in Inactive overweight women Comparing the effects of treadmill and ground walking on maximum oxygen consumption and body composition Inactive overweight women 2014-04-09 anticipated 30 Complete https://irct.ir/trial/20541 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Health service research. N/A Over weight. Intervention 1: Intervention in group Exercise protocol Contains of training followed Based on the principle of overload. First week walking 20 minutes and with 60 percent of heart rate reserve and 2 minutes into added time practicing every week and seventh and eighth weeks practice was conducted for 30 minutes and every two weeks to 5% was added to the intensity of exercise. Eight weeks with a frequency of three sessions per week and intensity was controlled by rate monitor Polar. Intervention 2: Intervention 3: no action. Intervention 3: Intervention in group Exercise protocol Contains of training followed Based on the principle of overload. First week walking on treadmill 20 minutes and with 60 percent of heart rate reserve and 2 minutes into added time practicing every week and seventh and eighth weeks practice was conducted for 30 minutes and every two weeks to 5% was added to the intensity of exercise. Eight weeks with a frequency of three sessions per week and intensity was controlled by rate monitor Polar.