What are the action points of tennis serve

2, hold the racket East way backhand or continental grip

3, ready to move: stand with feet naturally apart, the line between the two feet according to the players in the same habits can be perpendicular to the baseline, but also to maintain another appropriate angle; body naturally leaning forward; it is best to hold only one ball, the ball naturally landing in the holding hand on the thumb, the index and the middle finger, ring finger and little finger naturally flexed at the back of the ball, do not force the ball in the hand or pinch the hand. The ring finger and little finger are naturally bent at the back of the ball, do not hold the ball in your hand or pinch it in your hand.

4, throw the ball. Throwing method: on the basis of the preparatory movements, the elbow of the hand gradually straighten and down near the thigh of the same side of the hand, and then throw the ball from the side of the leg from the bottom up. Position of the ball in the air after the ball is released from the hand: According to different needs, the position of the ball in the air relative to the front and back of the body after the ball is released from the hand is not the same. Height of throw: The height of the ball in the air should not be lower than the height of the point of impact, but it is up to the individual to decide how high to throw the ball, as this height limits the amount of time it takes to swing the racket.

5. Swinging. The links of swinging include: A. Back swing: turn to the side of the racket holder based on the ready position, and at the same time, the racket holder guides the racket close to the body like a pendulum to swing the racket to the back of the body (does not necessarily have to be a straight arm back swing, but the palm must be towards the body); B. Back bowing action: the racket is swung back to a certain height (the height of this height varies according to the habit of each person, at least the big arm should not be tightly clamped on the side of the body), the elbow as an axis, the small arm, hand, racket head in turn to the back of the body, back hanging, at the same time bending the knees and accompanying the body backward extension in the shape of a "bow". C. Striking the ball: on the basis of knee bending and back arching action, the player stomps the ankle and knee from bottom to top, rebounds the back arch and turns the body to the side of the ball, while still using the elbow as the axis to bring the hand and the racket head to the point of striking the ball, and then finally strikes the ball thrown into the air on the point of the outburst of the force. d. The position of striking the ball: the player holds the racket in the air and strives for the highest point is the point of striking. e. The point of striking is the point of striking.

The serve is the beginning of the offense, of the score