Comparative study on the time difference and the effects of exercise of college female students participation in extracurricular sports activities

Extra-curricular sports activities refers to all the sports activities the students are engaged in besides physical education——the planned and organized sports activities in school for students to participate in and the sports activities in and out of school for all the students to take part in spontaneously.This research probes into the impact difference on the exercise effect of time difference through the methods of literature information,test,mathematic statistics and logical analysis.The result of the research indicates: The positive influence of one hour per day physical exercise test group is higher than the one hour per week comparison group on body configuration,enginery,quality for the university girls,these results indicate that time factor has important influence to the exercise effect.