The Analysis Of Present Situation And Correlation Of Screen Time And Physical Health Of College Students

College students are representatives of young people in a country and shoulder the development of the country and the prosperity of the nation.Therefore,college students are required to have a healthy constitution to struggle hard for the country and society.In today's world,with the continuous development of scientific and technological productivity,electronic devices have occupied human daily life,and are especially loved by university students.The large-scale popularization of these screen devices has promoted students' understanding of the world,but at the same time it has aroused the general concern of the community for the long-term impact of screen time on physical fitness of college students.This growing concern is a stark contrast to the lack of systematic research.Therefore,the screen time of undergraduate science has become an urgent problem for the society at the moment.At present,there is still a lack of systematic and in-depth research in the field of "the influence of screen time on students' physical health".The use of literature,questionnaires,physical fitness test,mathematical statistics,and logical analysis methods,a comprehensive and systematic analysis of the student's screen time on the physical health effects.A screen survey of students of Sichuan Normal University was conducted one week before the physical fitness test,and the students' physical fitness including physical form,physical function,and physical fitness were tested.The study found that the average daily screen time of college students is 7.49 hours,and the phenomenon of screen time is too long.The third-year students have the longest screen time,averaging 8.28 hours per day.The first-year students have the shortest screen time,with an average of 6.14 hours.The university's main screen devices are mobile phones,computers,and tablet computers.The main activities of the screen time are chatting,playing games,and watching videos.The overall fitness rate of students' physical fitness test is relatively high,65.8%,but the excellent rate and good rate are low,which are 6.0% and 24.2% respectively;the passing rate of girls is higher than that of boys;the average of the first grade students is up to 73.22 points.The average score of the fourth grade students is 70.89 points;both men and women need to exercise in strength and endurance;in terms of the screen time on physical health,the study found that in a short period of time,the screen time will result in students' physical health.The influence,especially the student's physical function,is more obvious,and when the average student's daily screen time is more than four hours,it will have a greater impact on physical fitness and endurance.Therefore,college students should reasonably control their own screen.Therefore,college students should reasonably control their own screen time to ensure good and healthy physical development and contribute more to the development of the country and society.