Research On Dynamic Tracking Of Junior Middle School Students' Physical Health In 2013~2015 In Dalian

From 2013 to 2015 for three consecutive years in Dalian,Zhongshan District,Xigang District,Shahekou District,six middle school students to track the health status of junior high school students,vertical and horizontal comparison of junior high school students physical health status,more objective,Fair analysis,analysis of the causes of the problem.The results show that the students of Dalian junior middle school have good health and physical fitness,and they can find out the dynamic changes of students' physical health in Dalian.Through the investigation and analysis of the results of physical health of junior high school students in Zhongshan,Xigang and Shahekou of Dalian for three consecutive years,we can not only know more about the physical quality of Dalian junior and junior high school students,Year,2015 years Dalian City junior middle school students' physical health status of the dynamic changes in the longitudinal observation of the last three years of development trends in order to more objectively reveal the 2013-2015 Dalian junior high school students physical health problems for the promotion of student health Improve and contribute to,and to analyze the problem of student physical health status and characteristics.From 2013 to 2015,6 junior high school students in Zhongshan District,Xigang and Shahekou District of Dalian were tested for physical fitness,and 2491 junior middle school students were followed up.50 meters running,standing long jump,sitting body flexion 800 meters / 1000 meters,sit-ups / body weight,exercise capacity,physical fitness,physical fitness,physical fitness,including body shape,physical function,physical fitness,Pull-up and so on.Results:1)Dalian city middle school students 2013-2015 height and weight showed a sustained growth trend,consistent with the level of growth,there is no excessive obesity;2)The physical function(vital capacity level)of Dalian junior middle school students fluctuates in the past three years,but the final level is rising;3)The overall physical quality of Dalian junior middle school students shows a declining level,Although the upper body strength of girls,such as waist strength has improved,but the level of endurance and flexibility and lower limb explosive quality,but still continued to decline.Dalian junior high school students in physical fitness still need to strengthen,especially the lower limb explosive force and endurance.