A Study On The Level Of Physical Activity And Its Influencing Factors Of Grade Eight Students In Main City Of Xuzhou

Objective: this study aimed to 2 grade students’ physical activity status of xuzhou urban area were investigated,in order to find out the influencing factors of junior middle school students to participate in the activities of the body,and further puts forward Suggestions for the improvement of middle school students in physical activity,to guide school provides reference for physical education,to improve physical activity levels and physical health of junior high school students to provide theoretical basis and practical thinking.Methods: a total of 178 students from four schools in four administrative districts(yunlong district,quanshan district,gulou district and tongshan district)of xuzhou city were monitored by questionnaire survey and measurement.Maio heart rate bracelet was used to monitor the intensity and load of physical activity in school.Meanwhile,a questionnaire on daily physical activity was issued to students(class-c revised questionnaire),and the content and duration of physical activity in extracurricular time were investigated.The independent sample T test was used to analyze the data of students from the same school to find out the gender differences.One-way anova was used to analyze the data of different schools and find the differences.Descriptive statistics were expressed by mean ± standard deviation(M±SD)Research results :(1)the physical education class load intensity of grade two in the main urban area of xuzhou city is appropriate and the teaching situation is good,the average heart rate of the whole class is 124.5 times /min,there is no significant difference between male and female students.(2)there was a significant difference in the number of steps taken by students of grade two in the main urban areas of xuzhou city on physical education day and non-physical education day,and the number of steps taken on non-physical education day was less than that on physical education day.(3)only 25.28% of the students choose to walk or ride bicycles to and from school.(4)the average weekly static living time of second-grade students in the main urban area of xuzhou city is 8h/d,and there is no significant difference between men and women.Research conclusions :(1)physical education of grade two students in the main urban area of xuzhou city can guarantee two physical education classes a week,and the average heart rate of the whole class reaches the appropriate physiological load standard of middle school students in physical education 120-140 times /min,and there is no significant difference between male and female students in the same school.(2)the physical activity forms of the students of grade 2 in the main urban areas of xuzhou city are mainly physical education and recess activities,while the physical activity in other time is slightly insufficient.There is a significant difference in the number of steps they take each day on physical education day and non-physical education day.(3)different types of big break organization also have an impact on students’ physical activity level.The research results show that group running has better effect than radio gymnastics and free activity.(4)the static activity time of grade two students in main urban areas of xuzhou city is 8.4h/ day from Monday to Friday,and 7.3h/ day on weekends.There is no significant difference between male and female students.Although this data is equal to the national average,it still needs to be reduced.