What are the skills and rules for playing volleyball?
Second, the start and end of the game: the first referee will stand at the end line of his own field after blowing the whistle, and then stand at the original position when blowing the whistle (the position table filled out before the game).
Third, the score:
A. After one side serves, the team makes a catch mistake, fouls or the ball falls into the opponent's court, that is, the server scores and continues to serve;
B. If the server serves illegally or out of bounds, the opponent will score and change 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, the substitute can only play once per game, and can replace any main player. 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.
Action norms and essentials of frontal two-handed cushion ball
1, the preparation posture of the cushion ball
Corresponding preparation postures should be taken according to different situations in the competition. You can take a general preparation posture when you are a beginner, because it is a light ball. The upper body leans forward slightly, the feet are open, the distance between the feet is slightly wider than the shoulders, the arms are slightly bent in front of the abdomen, the elbows are slightly retracted, and the eyes are fixed on the ball.
2. Hand type, hitting point and hitting position.
Hand pad type
At present, there are two commonly used methods.
Finger-folding method: the fingers of both hands are stacked up and down, the two thumbs are aligned and parallel and abut against the second knuckle of the middle finger of the upper palm, the palms are close together, and the two arms are straightened and clamped. Be careful not to overlap the palm parts.
In boxing, hands hold each other's fists, two thumbs are placed on them in parallel, two palm roots and two forearms rotate outward and press down, so that the forearms form a cushion surface.
Hitting point and hitting position
Generally speaking, the hitting point of forehand with both hands should be kept at an arm's length in front of the abdomen. Hit the ball with a plane formed by the inside of two forearm flexors, and the wrist length is about 10 cm.
3, the action essentials of the mat ball
Move the position in time, lower the center of gravity, insert the two arms forward under the ball, so that the hitting surface of the two arms is aligned with the ball, and the angle of the two arms is preliminarily obtained.
Clamping means that palms are close together, arms are clamped, wrists are pressed down, and a flat and stable hitting surface is used to catch the ball.
Lift your lower limbs to the ground, and lift your shoulders, elbows and wrists to meet the ball. The center of gravity of the body should move forward with the ball, and the arms should accompany the ball under the coordination of the whole body.