Study On Correlation Between Sedentary Behavior And Physical Health Of Secondary Vocational School Students In Jishou City

Research background: Today,with the rapid development of modern science and technology,the increase of people’s use of electronic products and the rapid development of urban transportation are the reasons for teenagers’ sedentary.Research objective: To investigate the physical activity and sedentary behavior of students in secondary vocational schools,and to explore the correlation between sedentary behavior and physical health based on the results of physical health test.By random sampling,a questionnaire survey was conducted in the first,second and third grades of secondary vocational colleges in Jishou City.At the same time,according to the requirements of "National Students’ Physical Health Standard(Revised in 2014)",physical examination was carried out on students in school,which mainly included: height and weight;Measure the vital capacity,sitting flexion,50-meter run,standing long jump,men’s 1000-meter run,women’s 800-meter run,pull-ups,sit-ups and other indicators for 1 minute,and make corresponding measurements and statistics.Research results:1.After school physical exercise of secondary vocational school students in Jishou City is the best in grade one,while the physical activity of grade three students is poor.The physical activity level of secondary vocational school students is gradually decreasing with the increase of age2.Jishou secondary vocational school students spend a long time sitting.The average hours of students on weekdays and weekends are 614.61 minutes and 544.05 minutes.The average sitting time of secondary vocational students in Jishou City is4161.15 minutes a week.The sedentary time on weekends is less than that on weekdays,but the video sedentary time increases sharply.3.In terms of body shape,girls’ performance is better than boys.From the perspective of physical function and gender,the performance of boys is slightly worse than that of girls,and the proportion of boys failing is higher than that of girls.From the perspective of physical quality,the excellent rate of standing long jump is better,the overall performance of sitting forward flexion is good,and the flexibility quality is better.The overall level of 50 meter running is general,most students can only reach the passing level,and the explosive power needs to be strengthened;From the perspective of pull-up and sit ups,secondary vocational students in Jishou need to improve their core strength and upper limb strength,and the passing rate of students is poor.From the point of view of 800 / 1000 meters,all students should enhance their endurance quality.4.The study sedentary time of secondary vocational students in Jishou City was negatively correlated with the results of girls’ 800 m and boys’ 1000m(P < 0.05);Video sedentary time was negatively correlated with BMI(P < 0.05),cultural sedentary time was significantly negatively correlated with pull-up and sit ups(P < 0.05),and social sedentary time was negatively correlated with body flexion and 1000 m performance(P< 0.05);The sedentary time of traffic was negatively correlated with the performance of standing long jump(P < 0.05);There was a significant negative correlation between the first sitting time and the total sitting time of boys and girls(P < 0.05).Research conclusion:1.Jishou secondary vocational school students spend a long time sedentary.Among the five sedentary behaviors of learning,video,social,transportation and musical instruments,learning sedentary behavior accounts for the longest time.In addition,different types of sedentary behavior have differences in gender,grade,major,family type and nationality.2.Differences in sedentary behavior among different types of secondary vocational students in Jishou City in gender,grade,major,family type and nationality.3.From the overall situation of the physical health status of secondary vocational students in Jishou City,all items of the physical health status of secondary vocational students in Jishou City are near the pass line,and the physical health status is decreasing year by year.4.There is a significant negative correlation between sedentary behavior and physical health.The longer the sedentary time,the lower the physical health test score,and the lack of physical activity is easy to reduce the physical quality.Suggestion: 1.The education sector should strengthen guidance,supervision and management;2.Adopt diversified educational methods;3.Cultivate students’ sports skills and hobbies;4.Increase sports funds and improve the sports environment of secondary vocational schools;5.Promote the interaction between schools and families and jointly supervise the sedentary behavior of students outside school;6.Physical education teachers carry out continuing education and training.