The Comparison On Health Physical Fitness Of Students In Different Sports Programs And The Study On Extracurricular Sports Activities In Junior High Schools

Objective: According to the health and fitness body composition index as the theoretical support of extra-curricular sports activities,combined with the second grade students in Guandu health in urban areas in Kunming,Wuhua District,Chenggong District,Kunming Bazhong third,Chenggong District in the fitness body composition characteristics,according to the actual project of junior high school students extracurricular sports activities.The students' body shape,physical fitness and health test to participate in extracurricular sports activities of students fitness body composition analysis;improve the health fitness of students to improve students' physical and training students interested in extracurricular sports activities,and for junior high school teachers to carry out specific projects of extracurricular sports activities to provide a certain reference value to improve the physical fitness of students.Research methods: This paper chooses Kunming urban area of Guandu city junior high school students in Wuhua District,Chenggong District,Bazhong Kunming third,Chenggong district as the research object,using the method of literature,mathematical statistics,logical analysis,method of measurement,the total number of 320 people participated in the test,the health related physical fitness test analysis of junior middle school students' cardiopulmonary endurance,flexibility,muscle strength,body composition,explosive force and instantaneous force;through body composition tester analysis of junior high school students WHR,BMI and body fat percentage,and comparison of different sports and students' physical fitness index analysis,using SPSS17.0 statistical analysis software,the correlation analysis of students' body form physical fitness and body composition indicators using.The results were as follows: The first is in the students' physical fitness test,those who participate in the extracurricular sports activities of boys and girls are better than the students' lack of good exercise,athletic basketball,football,the students' cardiopulmonary endurance is better;aerobic cheerleading,athletics strength good basketball students;students better explosive force;basketball,aerobicsCheerleading students better instantaneous force;aerobic cheerleading students with good flexibility.The second is physical fitness test results of junior high school students boys girls 800 meters,1000 meters / pull-up /1min pull-up,50 meters,standing long jump,sit and reach the average scores from high to low is the track and field sports,basketball,football,cheerleading aerobics.The last is the waist hip students body shape,physical fitness and body composition in extracurricular sports activities than BMI and body fat percentage of correlation analysis,the correlation of boys than girls high,it can be seen that the waist hip ratio and body composition in BMI and body fat percentage of boys affected students' physique.