First, promote the all-round development of people's functions

We know that tennis needs to make an accurate judgment on the radian and speed of the incoming ball, think about the landing point in parallel, and then move or run accordingly. At the moment of backswing, you must decide your hitting action and direction according to your opponent's position, body posture and possible reaction. This series of actions are all completed in an instant under the command of the brain. Playing ball regularly can greatly improve the flexibility and durability of the nervous system, keep us full of energy, enhance our memory and improve the effect of work and study.

1) Playing tennis often can play a positive role in promoting the sports system. Playing tennis can strengthen the metabolism of bones, improve their blood circulation and make them stronger and stronger. Playing tennis can thicken muscle fibers, make muscles stronger and stronger, enhance strength and work ability, and respond quickly, accurately and harmoniously. Playing tennis regularly can make the joints more flexible, bear greater load, increase the range of joint activities and stretch body movements.

2) Playing tennis regularly can improve the skills of the circulatory system, make the heart get better exercise, strengthen the contractility, improve the blood supply function of the myocardium, greatly increase the blood output, slow down the beating frequency of the heart, and keep the blood vessels in good elasticity.

3) Playing tennis can improve the function of respiratory system. First of all, to participate in tennis activities, you need to keep running on the court to speed up breathing, exercise breathing muscles and increase the range of breathing movements, so as to ensure that the body can exchange more air and bear more loads. The second is the increase of vital capacity, which is about 1000 ml more than the average person. Third, the breathing depth increases and the frequency slows down. Otherwise, normal people breathe about 12- 18 times per minute, and tennis players often take deep breaths and breathe slowly. Breathing once a minute can make the respiratory muscles get more rest time, work for a long time, and it is not easy to get tired.

Second, adjust your mood and cheer up.

Tennis is usually played outdoors. After a hard day's work and study, I feel a little tired physically and mentally. At this time, if I go to participate in tennis activities, it is often a natural picture presented to us. When we stand on the tennis court, it's like being among the vast angels. We not only have the lofty sentiments against the sky, but also feel relaxed and free. We naturally feel comfortable playing tennis in this beautiful environment. Furthermore, tennis activities are colorful, sometimes attacking from the bottom line and sometimes intercepting from the internet. Running, throwing, moving and swinging are integrated, and the participants' emotions, will, behavior and other physical and mental elements penetrate into every movement. Marx once said: "A good mood can relieve the fatigue and pain of the body more than ten good medicines." It can be seen how important it is to keep a happy mood and a relaxed spirit to eliminate physical and mental fatigue.

Third, let middle-aged and elderly people live longer.

People's aging and death are irresistible, but delaying aging and prolonging life span can be fought for. As morehouse, a professor of sports physiology in the United States, said, "Although people's age is certain, there is a difference of 30 years in physiological age. If you are 50 years old, you can look 65 or 35, it's entirely up to you. Living without activity is a kind of chronic suicide, and correct fitness exercise can prolong life. " Taking part in tennis can delay aging and prolong life. As mentioned above, playing tennis can improve the functions of nervous system, motor system, respiratory system and circulatory system, and maintain the vitality of various organs of the body, which is bound to have a preventive effect on common diseases of middle-aged and elderly people. Tennis is mostly played outdoors. The air is fresh and pleasant, and the mood is relaxed and happy. It is easy for middle-aged and elderly people to get rid of confusion, forget their age and return to youth. Playing tennis often can make people agile, energetic and energetic.

Fourth, the benefits of campus tennis.

Learning to play tennis at school has the following benefits for students' development: 1) physical 2) psychological 3) emotional 4) social 5) intellectual 6) psychological 7) health.