Movement In Life
Tennis is one of the ball sports. The effective tennis court is 23.77 meters long, 8.23 meters wide for singles and 10.97 meters wide for doubles. There is a net in the middle, each side of the game occupies one side of the court, and players hit the ball with a tennis racket.
The most senior organization in tennis is the International Tennis Federation, which was established in Paris, France in 1913.
What are the rules of tennis?
Tennis matches are divided into singles and doubles. Players use 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.
This continues until one of the players hits the ball out of bounds or misses the ball.
Before the official game, it is necessary to determine who will serve first in the game. Throughout the game, the two players take turns serving. Before serving, the server shall stand behind the end line in the area between the midpoint and the assumed extension of the sideline.
The ball should go over the net and land on the opposite tee in the opposite corner.
How to count serve errors?
Did not hit the ball. The released ball touches the fixture before it hits the ground (except for the net, midband and white cloth around the net). Violation of the serving posture rules.
If the ball falls into the net or falls outside the diagonal teeing area, the serve is missed. After the server misses the first serve, the second serve shall be played from the original position.
Are there any special requirements for game balls?
The game ball is yellow, made of a rubber compound, and the exterior is evenly covered with wool fibers, with no stitching at the seams. The diameter of the ball is 6.35-6.67 cm and the weight is 56.7-58.5 grams.
Tennis is also loved by people all over the world. What are the benefits of playing tennis to the body?
1. Decompression.
Reduce stress in life and work.
2. Exercise.
Ball is a sport that alternates between aerobic and anaerobic, so tennis can satisfy people of different levels who want to exercise to the greatest extent.
Playing tennis requires a full body workout. When the body temperature rises, a lot of sweat is produced. Through perspiration, the temperature balance in the body can be adjusted, while a large amount of waste is excreted.
When playing tennis, it is necessary to maximize the mobilization and exertion of the functions of various organ systems in the body, such as nerve regulation, enhanced breathing, and accelerated blood circulation. After a long time, physical fitness will naturally continue to improve.
3. Discharge body waste.
Playing basketball requires a full body workout. When the body temperature rises, a lot of sweat is produced. Through perspiration, the temperature balance in the body can be adjusted, while a large amount of waste is excreted.
I believe you will like this sport.