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What do the horizontal strokes ST and FL mean respectively? It is better to have a detailed map.
ST is the straight handle of the bar, and FL is the waist handle of the bar.

The key action is to hold the handle with the palm of your hand, the tiger's mouth is attached to the root of the handle, the middle finger, the ring finger and the little finger are bent to hold the handle, and the index finger is naturally stretched and attached to the back of the racket. The grip strength should be convenient for wrist rotation. Because everyone's habits are different, it is important to choose the grip that suits you.

On the one hand, it can improve the efficiency of training and the level of table tennis; On the other hand, having a good grip method and posture is also conducive to mastering special skills, and the hitting posture is more coordinated and the movements are more ornamental. Generally speaking, the grip of the horizontal racket can be divided into shallow grip and deep grip. Different grip methods have their own advantages and disadvantages, mainly forehand or backhand.

Extended data:

service

At the beginning of the service, the ball is naturally placed on the palm of your hand, without clapping your hands, and your palm is open and still.

When serving, the server must throw the ball up almost vertically with his hands, and must not make the ball rotate, and make the ball rise not less than 16 cm after leaving the palm that does not clap, and must not touch anything before it falls and is hit.

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. In doubles, the ball should touch the right half of the server and receiver.

From the beginning of serving to hitting the ball, the ball should always be above the table, outside the end line of the server, and should not be blocked by any part of the body or clothes of the server or its doubles partner.

When a player serves, there should be no obstacles in the virtual triangle formed by the connection between the ball and the net post and above a certain height at the moment when the ball touches the racket, and one of the referees should be able to see the player's hitting point clearly.