Table tennis knowledge

1. Olympic Games and the World

Championships

(World Table Tennis Championships),

World Cup

2. Modern

Table tennis competition

The length, width and height of the standard site shall not be less than 14m, 7m and 4m respectively. It should be enclosed with a fence 75cm high. The ground of the site shall be non-slip hardwood floor, and there shall be no obvious reflection.

3.

Ping pong table

It is 2.74m long,1.52m wide and 76cm high. It was dark, and the desktop was 3.5 cm thick. It is made of solid wood and must be flat and elastic. Draw white lines with a width of 2 cm along the four sides of the desktop, which are end lines and edge lines respectively.

table tennis

The net is in the middle of the table, with a length of 1.83 m and a height of15.25cm..

4. The net device comprises a net and a net hanging rope.

net post

And fix them in

table

On the clamping part, the outer edge of the net column leaves the table.

Edge distance

That's 15.25 cm.

5. Table tennis is 37.2-38.2 mm in diameter and 2.40-2.53 g in weight ... The ball falls on the standard steel block from a height of 305 mm and is divided into low elastic ball, medium elastic ball and.

high elasticity

Ball. The color of the ball is yellow or white.

6. Swirling Cup and Columbia Cup.

7.d material, mainly rubber friction and elasticity.

8. Best of seven games, single game 1 1 point.

9. When serving, the ball should be placed on the palm that does not hold the racket, and the palm should be open and flat. The ball should be static, behind the end line of the server and above the horizontal plane of the playing surface; The server must throw the ball up almost vertically by hand, and must not make the ball rotate, and make the ball rise not less than16 cm after leaving the palm of his hand without clapping his hands; When the ball falls from the highest point, the server can hit the ball, so that the ball first touches its own table, then crosses or bypasses the net device, and then touches the table of the receiver. exist

doubles

In the middle, the ball should touch the right half of the server and the receiver successively; from

Throw the ball.

From the last moment when the front ball is still to the time of hitting the ball, the ball and

racket

Should be above the level of the competition table; When hitting the ball, the ball should be behind the end line of the server, but it should not exceed the farthest part of the server's body from the end line (except the arm, head or leg);

athlete

When serving, you have the responsibility to let

Referee

Or the assistant referee can see if he serves according to the legal provisions; If the referee doubts the correctness of the server's serve, and neither he nor the assistant referee can determine that the serve is illegal, the referee can warn the server not to score when this phenomenon appears for the first time in a game; In the same game, if the correctness of a player's service is questioned again, whether for the same reason or not, he will be deducted without warning; Whether it is the first time or at any time, as long as the server obviously fails to serve according to the legal provisions, he will be deducted one point without warning; When an athlete can't strictly abide by some rules of legal service due to physical injury, the referee can make a decision to waive execution, but he must explain it to the referee before the game.

10.( 1) Block the ball:

( 1)、

trait

And application

The ball is slow,

force

Light, simple movements,

new hand

Easy to master. Can help beginners get familiar with it.

sphericity

Know how to hit the table tennis ball.

law

, improve

control the ball

Ability.

(2)、

general idea

: ① blocking the ball is

Push-stop technology

about

basis

Beginners should form correct movements.

skill

. ② When shooting, the upper arm should be close to the body. (3) Forearm stretches forward close to the ball, wrist and fingers adjust the racket shape, forefinger exerts force, and thumb relaxes.

(2) Fast push:

(1), characteristics and application

The characteristics of fast push are close to the station, small movement, supported counterattack, fast speed and many changes in the line. Generally suitable for hitting the ball back,

Blocking ball

And medium strength.

attack

; In the stalemate stage, you can give full play to the advantage of returning the ball quickly, push two corners or attack the opponent's gap, and create conditions for your own attack. This is the most commonly used push and block technique.

(2) Key points

(1) The body approaches before hitting the ball, causing the forearm to retreat properly. ② Push the forearm forward.

process

, complete the external rotation. ③ Don't rotate your wrist too much, the key is timing.

(3) harder:

(1), characteristics and application

The return of the ball is powerful and fast.

Hitting point

Higher, give full play to the thrust of the arm. In the game, you can force your opponent to leave the game by pushing, and get into a passive situation (for example, the forehand attacks the front board sideways, the baseline or the big push)

corner

), combined with the force reducer, can effectively mobilize the other side and gain the initiative. Suitable for slow processing speed and weak rotation.

topspin ball

Or the strength is light, and the bounce after landing is slightly higher than the net.

Come on, ball

(2) Key points: ① Pull the racket backward and upward to increase the distance of exertion. ② The hitting point should be far away from the body. ③ The hitting time should not be too early or too late. (4) Effectively concentrate the strength of all parts of the body at the moment of hitting the ball.

(4) Force reducer:

(1), characteristics and application

Low arc return, low impact point and light strength. When hitting back the opponent's strong smash or push block, the power of returning the ball can be weakened. If combined with push, you can move your opponent back and forth, that is, to deal with the double-sided pull of Chinese mainland and Taiwan Province.

Double attack method

Effective tactics are also often used to take over.

Add rotating circulating ball

(2) Key points: ① Before hitting the ball, the center of gravity of the body is slightly raised, the forearm is slightly flexed, and the racket keeps an appropriate forward angle. ②

Touch ball

Instantly, consciously take back your arms and wrists. (3) Weaken the rebound of the incoming ball, and at the same time block the ball with the power of the ball and return it quickly.