Do you have any information about volleyball?

I. Explanation of Nouns

1. Volleyball technique: It refers to all kinds of reasonable hitting actions and other cooperative actions taken by athletes under the conditions permitted by volleyball rules. Including ball technology (passing, cushion, spike, block, serve) and non-ball technology (various preparation postures and movements).

2. Volleyball tactics: refers to the conscious and organized actions taken by athletes in the competition according to the rules of volleyball competition and the laws of volleyball, according to the specific conditions of both sides and the changes in the on-the-spot competition, and by rational use of individual skills and collective cooperation.

3. Volleyball refers to any part of the participants' bodies hitting the ball in the air, so that they can play collective offensive and defensive games through the net without landing, or play ball games with each other without the net.

4. Tactical awareness: refers to the actions that players dominate their own actions and have certain tactical purposes in the process of exerting their skills.

5. Personal tactics: refers to the players' clever use of personal technical changes on the basis of collective tactical cooperation according to their own characteristics and tactical needs, so as to achieve the purpose of effective attack and defense. Collective tactics: refers to the organized, purposeful and targeted collective cooperation actions taken by athletes in order to break through the opponent's defense and restrain the opponent's attack.

6. Offensive hitting; Except for serving and blocking, all balls that are directed at the opponent are offensive balls.

7. Storm; It is based on the height advantage of the player's body, using the power and skills of spike, one person stormed to break through the opponent's defense tactical changes.

8. "Middle 23" attack tactics: refers to the organizational form in which player No.3 makes a second pass and passes the ball to players No.3 and No.2 or players in the back row (before the back row attack is widely used).

9. foul the ball; It refers to catching the ball or throwing the ball when hitting the ball at any part of the body.

10 and "42" lineup: It consists of four attackers (two main attackers and two auxiliary attackers) and two setters, standing in diagonal positions respectively, so that the front and back rows of each round can maintain 1 setter and two attackers.

fill (up) a vacancy

1, "six-a-side" volleyball and beach volleyball were included in the official Olympic events (1964) and (1996) respectively.

2. Volleyball active scoring techniques: spike, serve and block.

3. Spike defensive formation: no block, single block, double block and third block defensive formation.

4. There are four kinds of defense under double gears: follow, follow, withdraw and double card.

5. The origin of volleyball: 1895 originated in the United States, initiated by YMCA director (william morgan) in Hollywood, Massachusetts, and was introduced to China from 1905. 1954 China joined the international volleyball association.

6. The world volleyball has experienced three stages: the transition from leisure volleyball to competitive volleyball, the rapid development of competitive volleyball, the diversification of competitive volleyball and the re-emergence of leisure volleyball.

7. "Three Obediences and One Principle": Starting from difficulties, strictness and practical needs, carry out large-scale sports training.

8. There are three factors that affect the movement speed: the stability angle should be small, the support reaction force should be large, and the landing angle should be small.

9. Factors affecting the take-off height: take-off position, take-off time, take-off action and jumping ability. Factors affecting the starting speed: reaction ability, speed and waist and leg strength.

10, Berger arrangement: maximum number, swinging from side to side, lower right corner, jumping up, remainder, reverse order.

12, scoring: scoring system for each ball, 2 points for winning a game, 1 point for losing a game, and 0 points for abstaining. If the total score is equal, calculate the Z value (total score/total loss) first, and then calculate the C value (total win/total loss) if it is still equal.

Three connotations of modern volleyball: socialization, commercialization and professionalization.

14. Volleyball skills: with and without the ball.

15, beach volleyball was born in the 1920s-America; Soft Volleyball in 1980s —— Japan

16, World Volleyball Competition: 1 World Championship 2 World Cup 3 Olympic Volleyball Competition, Olympic Beach Volleyball Competition, Paralympic Sitting Volleyball Competition 4 World Youth Championship 5 World Youth Championship 6 World Beach Volleyball Championship 7 World Men's Volleyball League and World Volleyball Grand Prix.

17. Self-cover attacks include: position difference, time difference and space difference.

18, the first volleyball rule was born in 1896, and FIVB was established in 1947, adopting the six-person rule; 1979 the first official rules of volleyball association; 1965 stipulates that hand gear is allowed; 1968 plus pole.

/kloc-In the late 1970s, China men's volleyball team pioneered "flying forward" and "flying backward", while women's volleyball team invented "flying backward with one leg".

20. The altimeter on the volleyball court now: height, jumping ability, high hitting point during storm and blocking.

2 1, in order to serve well, we must achieve "three realities and one stability": the throwing height must be determined, the hitting technique must be determined, the swing trajectory must be determined, and the mentality must be stable.

22. Basic knowledge of volleyball: (1), ball: 260-280g, circumference: 65-67cm, air pressure: 0.30-0.325kg/cm (2), net post height: 2.55m, distance from net post to sideline: 0.50-/kloc-. (4) The height of adult men's tennis net is 2.43 meters, that of women's tennis net is 2.24 meters, that of young men's tennis net is 2.24 ~ 2.35 meters, and that of women's tennis net is 2 ~ 2. 15 meters, and the error shall not exceed 2 cm. (5) Signpost: length: 1.80m(6) Volleyball court: length 18m, width 9m, boundary 5cm (included in the court), attack line 3m from the center line, length 12.5m (solid line 9m, dotted line 3m).

Third, short answer

1, the characteristics of volleyball; 1 Characteristics of batting techniques, tactical coordination, competition rules and venue equipment.

2. Briefly describe the technical method of weighing the ball; Take the preparation posture of flat pedal or low pedal, relax your arms and put them in front of your abdomen, including your chest. Move the direction and angle of the ball with your arms and wrists at the same time. When the hitting point is slightly higher and close to the body, the forearm pad is still used. When the hitting point is low and far away from the body, bend your elbow and lift your wrist to cushion the ball at the tiger's mouth.

3. The correction method of the wrong action of frontal spike: 1 Run-up and take-off rushed forward, and the hitting point was not kept well. A, further explain, do more contact between run-up and take-off. B, do restrictive contact, such as setting obstacles not to take off, draw the take-off point and landing point at the bottom of the soil. C, fix the ball, catch the cushion ball, and take off the spike in one step. Get up early and leave early. A. Use passwords and signals to limit the start-up time. B, fix the radian of secondary transmission in the coming year. 3 the hitting technique is incorrect, the hand is not full, and the hitting ball does not rotate. A, hit the fixed ball, flat buckle to the wall, and rotate. ● Clean garden mouth contact. C. practice wrist, push and whip.

4. Briefly describe the tactics of "follow-up" under double blocking: fixing the No.6 player to follow up, preventing the ball from dropping and the ball in the front area is called "follow-up" defensive formation, or "follow-up at No.6 position" defensive formation. In order to solve the space problem of "heart", the advantage is to strengthen the defensive ability in front of the net, but the disadvantage is that the space between the defenders in the back row is large and the defensive strength is weakened.

5. Three conditions that the attacker in the back row must meet; Back row 1 Players touch the frontcourt, 2 players finish attacking and hitting the ball, and 3 players hit the ball above the net edge.

6. Advantages and disadvantages of "four two equipments".

Advantages: There is a setter and two attackers in each round in the front row, which is convenient for organizing "middle 23" and "side 23" attacks, and the tactical cooperation has certain stability. Disadvantages: There are relatively few offensive points in the front row, and the concealment is poor, which can not meet the requirements of high-level teams.

7. Double-run attack means that two offensive players cover the fastball, and the other offensive player takes the initiative to run to the gap of the opponent's block to attack the living point. For example, players at No.4 and No.2 do short flat fast attack cover, and players at No.3 can run to No.4 to No.2 or No.2 according to the blocking situation.

8. Free defender rule: ① When playing as a back-row player, it is not allowed to directly hit the ball higher than the net into the opponent's area to complete the offensive stroke; ② Do not serve, block or attempt to block; (3) when the call is higher than the net, other players are not allowed to attack the ball.

Verb (abbreviation for verb) questions and answers

1. Describe the method and action requirements of run-up take-off: 1 rhythm (slow-fast), 2 timing, 3 run-up route.

2. The opponent is more aggressive in position 4. How should we defend: double gear and follow-up.

3. How to improve the level of individual service skills: 1 First, keep an eye on the swing trajectory and hitting point of the opposing server and predict the hitting point of the ball. Start quickly, move to grab the position, and strive for positive service.

4. Handling of the opponent's first or second attack: 1 The opponent blocks the ball when it is impossible to hit the ball, but the opponent can't hit the ball when handling the ball, otherwise it is hitting the ball over the net.

Sixth, judge

1, China players invented fastball in 1930s, and served Y in space in 1970s.

2. the hitting point of frontal hitting is the lower middle part of the back.

3. The volleyball product Y is in 1895.

4. Foul with the ball refers to catching the ball or throwing the ball when hitting the ball at any part of the body.

5. Defenders of freedom

6. Spike should hit the back middle Y.

7. The position of the cushion ball is above the wrist 10 cm.

8. The second referee whistled (the player crossed the center line, etc.). )y。

9. Is there a time-out for the final?