Knowledge and
rule
The venue is 18m long and 9m wide, with the center line as the boundary.
court
Divided into two equal parts, the center line is set with a net, which is 9.50m long and 1 m wide. The height of men's net is 2.43 meters and that of women's net is 2.24 meters. The ball is made of leather and filled with rubber or similar substances, weighing 260 ~ 280 grams. 19 12 stipulates that both parties play.
athlete
The position must be rotated. 19 17 stipulates that each game 15 points. 19 18 stipulates that each team has 6 people. 1922 stipulates that both sides must hit the ball over the net within 3 times. A game method that uses the service scoring system.
1October 28th 10
FIVB decided to change the scoring system to best of five games. The winner is the one who scored 25 points in the first four games, and the winner is the one who scored 15 points in the fifth game. If there is a tie of 24 or 65,438+04, the team must continue to play until it leads by 2 points.
Competition method
First, the preparation before the game: the first referee presided over the draw, the first choice.
right to serve
, the ball area.
Second,
Game start
Process and Stop: After the first referee blows the whistle, he will stand at the end line of his own field and stand at the original position when he blows the whistle again (the position table filled in before the game).
Third, the score:
One side serves
Houdui
A catch error, foul or the ball fell to the other side.
space
That is, the server scores and continues to serve;
B, if serving.
team member
Service violation or service.
Area out of bounds
Then the opponent scores and changes the service.
4. Suspension and substitution:
Each team has two timeouts and six substitution opportunities in each game. (required when making dead balls)
1, timeout: each team has two timeouts per game; There is a technical pause every 8 minutes in the regular competition.
2. Substitution:
A, the main player can only quit the game once, and when he plays again in the same game, he can only return to the game to replace his player.
B,
substitute
Each game can only be played once, and any main player can be replaced. The same game can only be replaced by the player he replaces.
* * * Note: The starting players are the main players, and other players are substitutes.