An Empirical Study On The Impact Of The Comprehensive Reform Of School Physical Education On The Physical Health Of Middle School Students In The New Era

Teenagers' physical health is related to their future,family happiness,national prosperity and national prosperity.Heping District Bureau of Education decided to take "one school,one product,one long life" as the core of physical education curriculum reform as the breakthrough point,and started the comprehensive reform of school physical education which lasted for three years.By using the methods of literature review,interview,questionnaire survey and case analysis,this paper summarizes the successful experience of the comprehensive reform of school physical education in Heping District of Tianjin in more than two years.Through the comparative analysis of the results of junior middle school students' physical fitness test,it reveals the effect of the comprehensive reform of physical education on students' physical health and the influence of junior middle school students on their physical health According to the results of the research,put forward some suggestions to further optimize the overall system of school physical education in Heping District of Tianjin,and promote the improvement of junior high school students' physical health.The study draws the following conclusions:1.In terms of body shape of junior middle school students in Heping District of Tianjin,the proportion of normal BMI index and obesity of junior middle school students in Heping District were 57.6% and 20.0% respectively.Overweight students showed an increasing trend year by year,and the proportion of overweight and obesity of junior middle school boys was higher than that of junior middle school girls.2.In terms of physical function of junior high school students in Heping District of Tianjin,after the implementation of the reform,the average lung capacity of boys and girls in junior high school has been greatly improved,with a very significant difference;the excellent rate of lung capacity has increased from 27.7% in 2018 to50% in 2020,an increase of 22.3 percentage points;the failure rate of lung capacity has decreased from 6.4% in 2018 to 0% in 2020,with a significant decrease Obviously.3.In Heping District of Tianjin,there are very significant differences in boys' 50 m running and standing long jump scores before and after the reform,while girls' standing long jump scores before and after the reform have significant differences,but there is no significant difference in 50 m running scores;before and after the comprehensive reform,the failure rate of junior high school students' 50 m running scores decreases by 7.2 percentage points,and the failure rate of junior high school students' standing long jump scores has no significant change.4.The results of 800 m running and 1000 m running of junior high school students in Heping District of Tianjin before and after the reform have very significant differences,and the failure rate of endurance running in 2020 is 18.7 percentage points lower than that in 2018;there is significant difference in sitting forward bending of junior high school boys before and after the reform,but there is no significant difference in sitting forward bending of junior high school girls.5.In Heping District of Tianjin,there is no significant difference in boys' pull-up performance before and after the reform;most boys fail to meet the pass standard of pull-up;girls' one minute sit up performance has a very significant difference,and the excellent rate and good rate of sit up performance are increasing year by year.6.Since the implementation of the comprehensive reform of school physical education in Heping District of Tianjin,the overall failure rate of junior high school students' physical health test decreased by 10.3 percentage points,and the excellent rate increased by 2.4 percentage points.7.97.9% of the junior high school students in Heping District of Tianjin city like the comprehensive reform of school physical education,and the favorite reform project of junior high school students is the sports interesting class practice project;the sports interesting class practice project is the school physical education reform project which has the greatest promotion effect on students' forming the habit of physical exercise.8.After the comprehensive reform of school physical education in Heping District of Tianjin,62.92% of junior high school students can ensure that each off campus physical exercise is more than 30 minutes,and 42.02% of junior high school students can achieve more than three times of off campus physical exercise every week;the most off campus physical exercise items of junior high school students in Heping District are running,basketball and swimming.9.The main motivation of junior high school students in Heping District is to improve their health level and get good results in physical examination.The factors that affect junior high school students in Heping District to take part in extracurricular physical exercise are lack of exercise time,lack of venues and equipment,lack of sports habits and influence of cultural class performance.