Tennis matches are divided into singles and doubles. The player uses a tennis racket to hit the ball over the net and onto the opponent's court. The goal of each player is to try to bring the ball into the opponent's court.

Before the official game, it is necessary to determine who serves first in the game. The two players take turns serving throughout the game. Before serving, the server shall stand behind the end line of the area between the midpoint and the assumed extension line of the sideline.

The ball should cross the net and land in the opposite service area in the opposite corner.

What benefits does tennis bring to you?

1. Depressurize.

Reduce stress in life and work.

2. Exercise.

Ball is a sport that alternates aerobic and anaerobic, so tennis can meet the needs of people at different levels to the greatest extent.

Tennis requires full body exercise. When the body temperature rises, a lot of sweat will be produced. Through perspiration, the temperature balance in the body can be adjusted, and a large amount of waste can be discharged from the body.

3. Discharge body wastes.

Playing basketball requires full body exercise. When the body temperature rises, a lot of sweat will be produced. Through perspiration, the temperature balance in the body can be adjusted, and a large amount of waste can be discharged from the body.

4. Increase vitality.

Playing tennis 2-3 times a week can increase physical strength by 20% and reduce fatigue by 65%.

The reason is that playing football can enhance our metabolism, strengthen our physical strength, and increase the secretion of dopamine in our brain, which can help us not feel so tired.

5. Exercise good psychological quality.

Tennis can also be said to be a kind of intellectual confrontation activity, which requires the participants to concentrate and strive for each ball. When players face the danger of being scored by opponents, they also need stable psychological quality.

Therefore, regular participation in tennis will help to exercise will, cultivate self-confidence, fearlessness and other good psychological qualities.

6. Reduce cancer.

At present, the exact mechanism of reducing cancer risk by playing basketball is not clear, but according to the statistics of the National Cancer Institute of the United States, people who often play basketball have a lower risk of cancer!

Taboos.

1. People with congenital heart disease should not play tennis. Because tennis is a hard sport, playing tennis has a great burden on the heart, so patients with heart disease cannot play tennis.

2. Patients with hypertension and cerebrovascular disease cannot play tennis. These people are very dangerous, because if they exercise hard, they will suffer from high blood pressure and cerebral vascular rupture.

3. Diabetics cannot play tennis. Because excessive exercise will lead to the accumulation of lactic acid, which will lead to lactic acid poisoning in severe cases, and then stimulate the muscle nerve endings to produce pain.

However, if blood sugar cannot be controlled, accidents may occur, so tennis is not recommended for diabetics.

The racket is heavy and the ball is fast. The whole court basically runs and stops quickly. The physical consumption cannot be underestimated! People with poor physical quality must pay attention.