| The physical health of teenagers is related to the future development of the country.To a certain extent,the physical health of teenagers reflects the political,economic and social development of the country.The decline of teenagers’ physique is a problem faced by countries all over the world.In recent years,research on the decline of teenagers’ physique at home and abroad has been reported repeatedly.The key problems of students’ Physique in China have not been well solved,and have become a serious threat on the road to becoming a powerful country.Therefore,by using the methods of literature,mathematical statistics,comparative analysis and logical analysis,this paper makes a statistical analysis on the dynamic changes and influencing factors of the physique of 7-17-year-old Korean teenagers in Yanbian Prefecture based on the physique monitoring report data of Korean teenagers in Yanbian Prefecture in 2000,2010 and 2020,and analyzes the physique health status of Korean teenagers in Yanbian Prefecture,Find out the influencing factors to promote the physical health of Korean adolescent students in Yanbian Prefecture,put forward corresponding suggestions for improving the physical health of Korean adolescent students in Yanbian Prefecture,and provide beneficial evidence for the staff of administrative departments,educators,students themselves and their parents.Results:1.From 2000 to 2020,the average height of Korean adolescents aged 7-17 in Yanbian Korean Autonomous Prefecture increased by4.8cm.2.From 2000 to 2020,the average weight of Korean adolescents aged 7-17 in Yanbian Korean Autonomous Prefecture increased by7.09 kg.3.From 2000 to 2020,the average vital capacity of Korean adolescents aged 7-17 in Yanbian Korean Autonomous Prefecture decreased by 8.97 ml.4.From 2000 to 2020,the 50 meter running performance of 7-17-year-old Korean teenagers in Yanbian Korean Autonomous Prefecture decreased by 0.33 s on average.From 2000 to 2020,the standing long jump performance of 7-17-year-old Korean teenagers in Yanbian Korean Autonomous Prefecture decreased by 8.53 cm on average.From 2000 to 2020,the sitting three-dimensional forward bending performance of 7-17-year-old Korean teenagers in Yanbian Korean Autonomous Prefecture increased by 2.87 cm on average,From 2000 to 2020,the upward pull-up performance of13-17-year-old Korean boys in Yanbian Korean Autonomous Prefecture decreased by 2.64 times on average;from 2000 to 2020,the one minute sit ups performance of 7-17-year-old Korean girls in Yanbian Korean Autonomous Prefecture decreased by 0.71 times /min on average;from 2000 to2020,the 8*50 meter running performance of 7-13-year-old Korean teenagers in Yanbian Korean Autonomous Prefecture decreased by 1.03 s on average,From 2000 to 2020,the 1000/800 meter running performance of Korean teenagers aged 14-17 in Yanbian Korean Autonomous Prefecture increased by an average of 6.39 s.Research conclusion:1.body shapeFrom 2000 to 2020,the body shape indicators of Korean adolescents aged 7-17 in Yanbian Korean Autonomous Prefecture have improved in varying degrees.In terms of height indicators,urban and rural men and women have shown an increasing trend year by year.Among them,the overall height of urban men and women is higher than that of rural men and women;In terms of weight indicators,the average weight of urban boys is slightly higher than that of rural boys,and the average weight difference between urban and rural girls is not significant.2.physical functionFrom 2000 to 2020,the vital capacity scores of 7-17-year-old Korean adolescents in Yanbian Korean Autonomous Prefecture have declined and then increased in the past 20 years.The vital capacity of urban boys and girls is generally greater than that of rural boys and girls,and there is a great difference between urban boys and rural boys.3.physical fitness(1)From 2000 to 2020,the speed quality level of 7-17-year-old Korean teenagers in Yanbian Korean Autonomous Prefecture showed a downward trend and then an upward trend.The speed quality level of urban male and female students was higher than that of rural male and female students.(2)From 2000 to 2020,the explosive power performance of 7-17-year-old Korean teenagers in Yanbian Korean Autonomous Prefecture showed a downward trend at first and then an upward trend in the past 20 years.(3)From 2000 to 2020,the strength quality of 7-17-year-old Korean adolescents in Yanbian Korean Autonomous Prefecture has decreased significantly and in a straight line.(4)From 2000 to 2020,the endurance quality performance of Korean adolescents aged 7-17 in Yanbian Korean Autonomous Prefecture has been on the rise for 20 years.(5)From 2000 to 2020,the sitting forward flexion performance of 7-17-year-old Korean adolescents in Yanbian Korean Autonomous Prefecture has shown an upward trend,and the sitting forward flexion performance of urban male and female students is higher than that of rural male and female students. |
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