1. Introduction to volleyball
Volleyball is one of the ball sports. The stadium is rectangular, with high nets in between. The two sides of the game (six people per party) each occupy one side of the course. The players use the ball to hit the ball from the Internet. The ball used in volleyball is made of sheepskin or artificial leather. The rubber is bold and the size is similar to football. The sport originated in the United States and was invented in 1895 by a sports staff named William G. Morgan in Holy York, Massachusetts. In the early days, volleyball was called Mintonette (the meaning of the small net). In 1896, according to the characteristics of the game, Professor Holstad proposed to change to Volleyball (the air hitting ball), the modern international name Volleyball (volleyball). At that time, the official ball circumference was 25 to 27 inches (about 63.5 to 68.8 cm) and the weight was 9 to 12 ounces (about 255 to 346 grams). The materials and production techniques of the ball used in modern international competition have changed a lot, but the specifications of the ball are similar to the previous ones.
2, volleyball rules
Each team played 6 people, standing in two rows, from left to right, the front row was 4, 3, 2, and the rear row was 5, 6, and 1. At the time of serving, both players must stand at the specified position, otherwise they will be awarded the right to lose the serve or the other party will get 1 point. The party who receives the right to serve must first rotate. The 1st player will be within 8 seconds after the referee whistle. Hit the ball. After the serve leaves, if the ball touches the players on the field, the signpost, and other obstacles in the middle of the game, the serve or the ball falls outside the opponent's field is a serve error, loss of serve. Before the team made no mistakes, the team members served consecutively. Players can use any part of the body to touch the ball, but they must not stay. If they are caught, raised, pushed or thrown, they are judged to be holding the ball. Each team touches the ball up to 3 times (except for the block). If one player touches the ball more than once (except the block), it is judged as a combo. Two players in the same team touched the ball at the same time as two touches. However, both players can hit the ball three times after touching the ball on the Internet. The first four games use a 25-point system. Each team wins at least 25 points, and when they exceed 2 points, they win 1 game. The official game adopts 5 innings and 3 wins. The deciding game uses 15 points. After the first team gets 8 points, the two teams exchange the field and continue the game to the end according to the original position.
In the game of the deciding game (fifth game), first scored 15 points and led the team 2 points to win
3. Volleyball scoring system
In the volleyball match, the referee judges whether the party scores according to the situation of the match, and reports the current score. The venue scorer scores on the volleyball ball scoring system according to the scores quoted by the referee, and the athlete's name, unit, The scores and other information are transmitted to the screen, so that the audience can quickly understand the current venue and increase the enjoyability of the game.
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