An Empirical Study On The Relationship Between Physical Activity Level And Physical Health Of Adolescents

Through the empirical study of the correlation between physical activity level and physical fitness,it is of great theoretical and practical significance to promote the physical activity level of adolescents and improve their physical health.This paper mainly adopts literature,questionnaire survey,test and statistics,the relationship between adolescent physical activity level and physical health as the research object,take the junior middle school Changchun city of grade one and grade two and grade three students as the research object,to study the correlation between the level of physical activity and physical health status.The study found that: the overall situation of adolescent physical health Changchun,in good physical health level,boys are significantly better than girls,and increase with grade,showed a significant upward trend;capacity boylung is significantly higher than girls,and increase with grade,a significant ascending trend,the boys jumping compared to the national standard showed lower the level of the girls showed higher level than the national standard,the national standard of upper limb strength compared to boys showed lower levels,waist strength compared to the national standard of girls showed higher levels of female power is higher than the national standard level,lower than the national standard level of boys,boys and girls cardiopulmonary function ability good to the national average standard;the higher the level of adolescent physical activity,physical health of students better;high intensity physical activity on time Strength and speed quality in adolescents affected the effects of moderate intensity physical activity of adolescent endurance is large,sedentary time on adolescent BMI values have a significant impact,overweight or obese students' level of physical activity was significantly less than that of normal weight students.Suggestion: the number of walking is an important factor influencing juvenile BMI,especially the number of walking,so the weekend,for overweight and obese teens,the average daily number of walking step should be strengthened,especially on the weekend time should increase number of walking.Moderate intensity physical activity time is an important factor affecting the endurance quality,therefore,for the 800 and 1000 meters and vital capacity of the poor performance of the teenagers,should strengthen the moderate intensity physical activity time,which can be achieved by strengthening youth sports class participation and exercise intensity.High intensity physical activity time is an important factor to influence the strength and speed quality therefore,for 50 meters,pull ups,crunches the poor performance of the teenagers,should strengthen the high intensity physical activity time,can encourage young people to participate in sports clubs to improve the level of physical activity time.