The Effect of Exercise Training on the Physical Fitness of Junior middle school Overweight and Obese schoolboys

[[abstract]]The Effect of Exercise Training on the Physical Fitness of Junior middle school Overweight and Obese schoolboys Abstract This study was aimed to investigate the effects of 10 week. regular exercise on the physical fitness of overweight and obese junior high school boys. The exercise is designed with the intensity of 5 times per week for 10 consecutive weeks. After the exercise is completed, the boys are checked in their body composition, flexibility, endurance of muscle, explosive strength, cardio-pulmonary endurance. In this experiment. 20 junnior high school male students having Body mass index (BMI)grecter than 25 were recevited as subjects. They were randomly divided into two groups: experiment group (N=10, EG) and contrasting group(N=10, CG). The subjects of EG had received 10-week bicycle training, 5 days each week, 30-40 minutes each day, with intensity approximately 55-80% maximal heart rate. The subjects of CG hadn’t received any physical training. All the subjects had received the physical fitness tests including BMI, sit and reach, one minute sit-up, standing long jump and 1600m walk and run, before and after 10 weeks of traning. The collected data were analyzed with dependent and independent t-test. The BMI, sit and reach, one minute sit-up, standing long jump and 1600m walk and run of EG were significantly improved (p<.05) after 10 week traing. The physical fitness of CG remained unchanged after 10 weeks. The 10-week bicycle traing had significantly improved the physical fitness of Overweight and obese junnior high school male students.