Effects of Physical Exercise on Physical Fitness and Mental Health of Obese Students

With the rapid development of my country's economy, the rapid improvement of national living standards, the introduction of western fast food culture, and the modern lifestyle, the detection rate of obese patients in my country has increased year by year. Obesity has gradually become an important issue of social concern, especially among students, obesity is very common, seriously affecting the physical and mental health of students, and laying a hidden danger for the development of society. As an effective method, physical exercise has an important impact on the physical and mental health of obese students and has become an important way to solve the obesity problem. On the basis of a large number of literature research, this paper adopts a variety of research methods such as questionnaire survey, expert consultation, mathematical statistics and comparative analysis, and logical analysis. The current situation of extracurricular physical exercise has been investigated in detail, and after data analysis, it is found that obesity has a great negative impact on all aspects of college freshmen. The results of the study showed that the obese college students in Suzhou had a low level of physical health. The average scores of the “National Student Physical Health Standards” for boys and girls were 58.50 and 60.49, respectively, and the failure rates were 48.24% and 43.55%, respectively. Compared with the average level of college students in the whole country, the height, weight, and vital capacity of obese students in Suzhou are higher than the national level, while the vital capacity index is far lower than the national level, and there are significant differences in physical fitness items (obese girls 800 meters), standing long jump, sit-ups are higher than the national level, and there are significant differences; obese boys 1000 meters, sitting forward flexion are lower than the national level, there is a significant difference, while the standing long jump performance is slightly higher than the national level). In terms of mental health, the detection rate of various mild mental health problems among obese college students in Suzhou is as high as 44.56%, and the detection rate of various moderate mental health problems also reaches 9.69%. Compared with the national youth norm, obese college students are prone to psychological problems such as somatization, obsessive-compulsive symptoms, anxiety, terror, psychosis, hostility, and paranoia.