One of the essentials of table tennis service: rotation
The charm of table tennis lies in the change of rotation, which can be produced by the difference of the friction position between the racket and the ball and the direction of hitting the ball. The main reason why many golfers eat the service is that they are not accurate in judging the rotation. Use the same action to catch the non-rotating ball and the down-rotating ball with similar landing points. If the next rotating ball just crosses the net, it will definitely be high when it is not connected.
the difference of rotation mainly depends on the position of touching the ball and the direction of force. The ball that rubs the bottom of the ball and the force direction is forward has the property of downward rotation. If the ball has lateral spin, it needs to rub the middle of the ball and the force direction is forward. In order to better serve the ball that needs to be spun, it is necessary to adjust the racket holding mode. If you want to serve the backspin, try to put the racket flat, and if you serve the backspin or topspin, try to stand it up.
the strength of rotation mainly depends on the friction between the racket and the ball and the instantaneous force. Strengthening friction is the key to making rotation. Friction can be divided into thin friction and thick friction. The contact area between the thin friction racket and the ball is smaller, while the thick friction contact area is larger. With the same force, the ball from thin friction rotates more strongly. When some golfers use thin friction to serve the backspin, either the ball is not spinning enough or the net is off. The main reason is that the instantaneous force is not enough, so we should pay attention to hitting the ball quickly at the moment of hitting the ball. In addition, you should also pay attention to:
1. Never emphasize absolute rotation in serving, because no matter how much the ball is rotated, it will be useless as long as the opponent sees it. Be sure to let your serve exceed the opponent's judgment, and the more unexpected it is, the more effective it will be. The really good strong backspin is that the lighter the action is, the more it turns.
you can't go all out when you have a strong backspin. You can't cooperate with the whole body like a blast, although it is easy to make a strong rotation. But all parts of your body have exposed the rotation of your ball to each other, except for making fake moves. Therefore, the strong downward rotation is mainly based on the wrist, supplemented by the forearm, and slightly driven by the waist. Maybe you will say, it's all sent like this.
2 The same movement won't work. If you can make a backspin with a light movement like me that is far beyond the opponent's imagination, then you can use the same movement to serve like a normal person, that is, a person with poor service, that is, one with poor friction and bad timing. Of course, such a service won't work very well, and the opponent will eat it. If you change the hitting point on the racket again, use the top edge or leading edge of the racket to serve, but make it flat when serving the racket face so that it is not easy for the opponent to see it. In this way, even a master can eat the ball. If you use some shaking and full-body force to match the hair, the other things will be easier for the opponent to eat.
Maybe someone will ask, didn't you say that you can't use full-body coordination and wrist shaking to make a strong backspin? Why should you do this when you can't serve the ball? The reason for this is that the absolute rotation speed of the downward rotation is of course higher if the jitter and the whole body are added. But if you want to serve the backspin, it is easy to be seen, and the opponent who can't serve the ball is more likely to be regarded as a strong backspin, the better. Of course, sometimes we should pay attention to the fact that it is empty, and empty is real. Now many people judge that my serve is basically a guess. They know that I don't use force, and my movements are usually sharp backspin, which is not easy to see from the beating of my ball. Because the service ball really looks slow but doesn't float, you can see it by looking at the logo, but sometimes it looks hard to serve it a little faster. It's ok to look at the logo for the slow ball, at least in time, so they will take it as a slow turn when they serve it with a real strong backspin.
However, it's better to practice ordinary slow movements to send a ball with great rotation contrast. Because this kind of thing depends on the change of feel. Rather than a simple change in the hitting part. The change in the hitting part when the hair doesn't turn is as small as possible, not too close to the edge of the racket, so that the opponent is more difficult to see, but it is difficult to have a strong contrast. Once you have developed a sense of touch, the initiative is entirely on your own side, because the change in the feeling of friction on your hands is invisible to the other side with your eyes. Only one's own proprioception can feel this change in friction.
basically, it's about the thickness and thinness, the rubbing opportunity, the rubbing feel and so on. It is extremely difficult to tell with the eyes. This is why many of my current serve masters are confused. They can't figure out why I have such a strong rotation with a light shot, but sometimes I don't turn at all. This is kung fu and level. I usually rub my hands well, so I also rub my serve well. I suggest that if you want to improve your serve, you should also improve your serve. After all, we have to rub the ball many times every day. Using more is the premise of practicing well. In addition, the speed and landing point of the ball change greatly. For example, such a service can be issued occasionally in the forehand position, and he is prepared to let the opponent pull it. If he can't correctly judge the mistake, the chance is quite high. I serve now, even if the opponent judges the backspin, it's not easy to pull it up, because now amateurs pull forward and rush generally have a great chance of making a strong backspin mistake like me, so it's better to pull up and hang, but the one who pulls up and hangs is afraid that I don't turn sometimes dare to hang hard, which is a headache. Cooperate with the same preparation action, and suddenly shake the ball with two big corners. The backhand is sent to a bigger angle. The pressure on the other side is even greater.
The second point of table tennis service: the landing point
When serving, the landing point usually needs to master the characteristics of long and short combination and left and right combination. If you serve the long ball blindly, the opponent will get away from the table and jump off the board directly when receiving the service. At this time, if a short ball is added, the opponent may miss the ball or catch it out of bounds.
the choice of landing point is mainly to observe the opponent's position when receiving the service. If the position is forehand, you can use the forehand topspin; If the station is close to the platform, the long ball can be served; If the station is far away from the platform, serve the short ball. In short, when serving, we must pay attention to the opponent's position and choose the right place to serve.
Three essentials of table tennis service: speed
Speed and rotation are always a relationship between fish and bear's paw when serving, and sometimes they can't have both. The main reason is that increasing the service speed requires a larger impact component between the racket and the ball, while rotating requires reducing the impact component between the racket and the ball and increasing the friction component.
the speed of the ball mainly depends on the speed of the swing, the instantaneous explosive force of the racket hitting the ball and the impact friction ratio. When playing against a loop player with good basic skills, as long as the ball is released, it can generally be pulled back, so the quick long ball can only be used as an auxiliary service. However, it can increase the speed of the ball when playing against a golfer with poor basic skills or playing particles.
The main skills of playing table tennis
From the big action structure, the attack can be divided into two categories: forehand attack and backhand attack. Attacking the ball is the most important technique in fast attack, which has strong lethality and is the key technique to solve the battle.
1. Take the right hand as an example
1. Forehand attack: the left foot is slightly in front of the table in the right position near the table, and the body is inclined to the table. Clap your hands naturally and relax in front of your abdomen, and clap semi-horizontally. The backhand line is slightly to the right, about the same height as the table top, the racket face is about 8 degrees from the table top, and the forearm is basically parallel to the table top. When the ball bounces off the stage, the clapping hands will be waved from the right to the left and front, and will be swung in an arc along the sphere with the rapid internal receiving and transmitting force of the forearms and the internal rotation of the wrists. In the middle and upper part of the rising period, the hitting position is at the distance of the forearms in front of the right side of the body.
2. backhand attack: stand close to the table and slightly in front of your right foot, and naturally bend your hands to the left in front of your abdomen, with your center of gravity biased towards your left foot. The line of the ball is drawn backwards. When the ball bounces off the stage, hold the clapping hands and accelerate the swing from left back to right front and up, with forearm exerting force as the main force, wrist turning outwards, racket face tilting, center of gravity moving to the right foot, and hitting the ball on the left and right chests in the middle and upper part of the rising period. The key and difficult point of attacking the ball is the swing force and the correct and appropriate hitting point.
Two teaching methods
Imitate forehand and backhand attacks with bare hands, and experience the essentials of swinging arms, twisting the waist and shifting the center of gravity. The practitioner stands near the platform to the right and left, and throws and attacks the opponent's right and left diagonal line near the right and left corner end line. Experience the receiving and sending force in forearm, wrist internal and external rotation and hitting point. Two people sparred, one threw himself and attacked himself, and the other hit back with a block, and exchanged exercises. Two people are diagonal, one is attacking the ball with forehand and backhand, the other is pushing back and exchanging exercises. Two people sparred, one attacked two points one by one, and the other pushed a little at two, and exchanged exercises. The two men are backhand and backhand. The two men fought in a straight line in the middle.
three easy-to-make mistakes and their correction methods
When attacking the ball forehand, you dare not swing boldly, there is a pause, and the arc is not well made. Corrective methods; Use your bare hands to imitate the swing and practice swinging enough. The angle between the upper arm and the body is too small. Correction method: relax the shoulders and increase the distance between the upper arm and the body. Elbow and arm. Corrective methods; To do the fast break practice near the table, emphasize that the elbow and shoulder are backward and downward when hitting the ball. Wrist drooping, racket perpendicular to forearm. Correction method: emphasize that the racket handle is rotated to the left in the wrist, and imitate the exercise with bare hands. Judging the ball's landing point is not accurate, and the racquet action is not in place. Correction method: correct it by doing the practice of receiving the flat serve first, and then doing the practice of pushing and blocking the ball continuously. The backhand attack leans too early in front of the racket. Correction method: do the racquet practice with your bare hands to make the racquet face lean back later. The method of correcting the insufficient tilt of the racket face: practice the flat serve and experience the method of wrist external rotation when hitting the ball. Don't be too stiff when practicing.