A Study On Tennis' Psychical Health Effect On Middle School Students

Physical health in children and adolescents is one of key indicators to measure a country's comprehensive national strength. National levels of government and departments attach great importance to primary and secondary physical health and shifted their focus from physical exercise monitor to nutrition intervention. A study on tennis'psychical effect on middle school students does not only know the intervention effect on physical health of middle school students after their tennis sports, but also actively explore the new model of the fast-growing youth sport in Chongqing.This study selected 30 students in the elective tennis lessons as the experimental group and 30 students from an elective course of ancient Chinese novels as the control group, each group has 15 girls and 15 boys, all of them are in grade one from Nankai Middle School in Chongqing. Two groups have their elective classes once a week. It lasted about 15 weeks. Before and after the experiment, the research used the same device and the same person to test subjects and collected all the raw data of physical health indicators. The research selected the height, weight, chest circumference, body mass index, vital capacity, grip strength, standing long jump, sit and reach, 50-meter run, girls and boys 800-meter run 1000 meters and other indicators to make the comparison between the two groups before and after the experiment.The results of the research offer the following information.On the body shape aspect, Tennis can help students promote the healthy growth and shape body. On the aspect of weight and bust, tennis has the good effects of good reduction, control body weight and body-shaping, but promoting students significantly and increasing the height effects are limited in a short time.On the physical function aspect, tennis can promote students'respiratory function in the potential.In physical terms, tennis helps to promote the coordinated development of physical fitness students. It has obvious effect in the development of students'power quality. Meanwhile, it plays a key role the speed of improving the quality of the students. In addition, the role of tennis flexibility on the development of the quality of the students and the general quality of aerobic endurance was not prominent due to the growth stage characteristics and limitations of teaching conditions. The study not only demonstrated that the emerging sport of tennis has the positive impact and physical health effects on the students, but also prompted that Tennis should be effective to increase the teaching and practice time, rational design of tennis teaching content and organization, scientific assessment of tennis on the physical health of the intervention during the promoting and developing tennis exercise in other middle schools in Chongqing.