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Sometimes the speed of the ball is not fast", which seems to be contrary to common sense and cannot be understood, but this phenomenon does happen from time to time in badminton practice. We know that all the strokes in badminton are transmitted to the badminton through the incomplete elastic collision between the racket and the ball, and the speed generated by the batsman's swing is transmitted to the shuttlecock. If this phenomenon is analyzed according to the principle of collision, the causes are mainly manifested in the following aspects.
l.The speed of the ball after hitting the ball is directly proportional to the speed of the swing, and the high force does not mean that the swing speed is fast. If the grip before hitting the ball is too tight, the action will be stiff and uncoordinated, which will inevitably affect the explosive power of the final shot.
Although you do have a lot of muscles working hard, a considerable part of them are "worn out", and the swing speed of the key hitting moment decreases, so it is understandable that the ball speed is not fast.
2.According to the collision principle, the speed of the ball flight after hitting the ball is also closely related to the mass of the "racket" at the moment when the ball collides with the racket. In badminton batting techniques, all movements that require quick power are very emphasized in the "whipping action", and the key lies in:
First, the whipping action is conducive to the speed generated by the movement of the joints of the human body can be optimally transmitted to the final stroke. Second, at the moment of hitting the ball, the human body and the racket can be connected by holding the racket, increasing the quality of the "racket" at the moment of collision. In layman's terms, when an excellent badminton player kills the ball, he can reasonably and harmoniously apply the power of the initial kick, turn, abdomen, arm swing, wrist and fingers to the hitting point, and the action not only looks coordinated and stretched, but also the speed of the ball is also very fast.
3.It has to do with the angle of the hit ball not being "sharp" enough. In badminton, the so-called sharp hit means that the batsman can smash the ball steeply and straight into the area where the opponent is closer to the net.
This requires the batsman to be able to fully improve and move his own hitting point forward when smashing, and reasonably use the strength of the forearm and wrist to actively press downward. Since the shuttlecock is relatively light and not a round sphere, the air resistance of the ball in flight is much greater than that of other ball games. Therefore, if the smash is not sharp enough and the flight arc is flat, even if the instantaneous speed of the ball is the same as when it leaves the racket, the speed of the ball will decrease significantly due to the influence of air resistance and gravity due to the longer distance it has to fly.
4.It is related to the fact that the paddle face is not facing the direction of the shot when hitting the ball. Under the same conditions, if the paddle is not correct when hitting the ball, the ball speed will inevitably be lost.
5.It has to do with the part of the racket surface that the ball touches when the ball is hit. Since badminton is mainly composed of cork and feathers, there is a big difference in the elastic recovery coefficient between the two materials.
Therefore, with the same amount of force, it is faster to smash a flat high ball from an opponent than to smash a vertical falling high ball.
In short, there are many factors that affect the speed of the ball, if you encounter "the force is too strong, the ball speed is not fast" in the kill, you can make a specific analysis according to the above reasons.
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The smash action must be in place!
In one is to relax the handle before smashing to build up strength!
Here's the right move for a smash!
A kill is a diagonal pressure on the opponent's ball at the highest possible point of impact. This kind of ball has a lot of power, a straight arc, and a fast landing, which is a great threat to the opponent. It is the main technique of the offense.
Kills are divided into straight and diagonal shots with forehand kills. Overhead and diagonal kills, forehand blitz and backhand kills.
Forehand Hit Straight Ball (Sideways Jump): Preparation posture and movement essentials are basically the same as forehand high shots. Once the steps are in place, bend your knees and lower your center of gravity to prepare for the jump.
When jumping sideways, lift your upper arms, forearms, and rackets up with your shoulders to the upper right to stretch your body upwards. After taking off, the body leans back and straightens the chest into a reverse arch shape. Then swing the right upper arm to the right back, the forearm swings back naturally, the wrist is stretched back, and the forearm drives the racket to swing from top to back, and the grip should be loose.
Then volley, turn the abdomen and drive the right upper arm to swing to the right, the elbow leads, and the forearm swings forward at full speed, driving the racket forward at high speed. When the point of impact is on the front and upper part of the shoulder, the forearm is rotated inward, the wrist is bent forward and slightly retracted, and the wrist is flashed to kill the ball. At this time, the fingers should suddenly grasp the handle of the racket and concentrate the explosive power of the wrist on the point of impact.
The angle between the racket and the horizontal plane in the direction of impact is less than 90 degrees, and the racket hits the back of the stock head-on, causing the ball to go straight down. After the kill, the forearm is retracted forward with inertia. Bring the racket** to your chest during the return process.
Forehand Kill Diagonal Ball (Sideways Jump): Preparation Posture and Movement Essentials Same as forehand kill. The difference is that after the jump, the body turns to the left front and assists the arm to hit the ball diagonally.
Overhead kills in straight and diagonal shots: The essentials and preparation are the same as head-to-head shots. The difference is that when swinging the racket, you should concentrate all your efforts on pressing down in a straight line (Fig. 27) or diagonally (Fig. 28), and the angle between the racket and the horizontal plane of the hitting direction is less than 90 degrees.
Backhand Kill: Preparation and movement essentials are the same as backhand strikes. The difference is that the swing force before hitting the ball is large, and the angle between the horizontal plane between the racket and the direction of the hit at the moment of hitting is less than 90 degrees (Fig. 29).
Aerial assault kill: Take a step back with your right foot sideways and prepare to jump. After jumping, the body rises to the right back, the upper body is tilted back or arched backwards, the right arm is raised up, and the shoulder is pulled back as much as possible.
When hitting the ball, the forearm swings up at full speed, the wrist is extended from the back through the forearm to the flexion, and at the same time, the racket is pressed to generate explosive force to hit the ball forward and down at high speed. After the assault smash, the right foot is on the right side of the ground and the knee is bent to cushion, and the center of gravity is in front of the right foot; Land your right foot in front of your left side, push your left foot back to the center, and move your arm forward with inertia.
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That's because you're hitting the ball inaccurately.
Still not staring at the ball.
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If you don't know how to use your wrist, find a master to ask for advice, and you have to practice more to hit the right part, so that the force can be concentrated and explosive, and it is best to see if there is any problem with the racket.
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Introduction: Smashing in badminton fitness pays great attention to the quality and ability of the body, and it is still difficult for ordinary people to make smash movements. So how should a badminton smash be done? What is the value of commonly used badminton for fitness? Today's article will solve your doubts one by one!
How to smash badminton
1. Before you are ready to kill, turn sideways, put your left foot in front, land on the toes of both feet, and step back with a quick backward step so that the point of hitting the ball is above your right shoulder. Because if you hit the ball far behind, you can only play high.
2. Lean back before killing the ball, basically into a bow shape, so that you can use all the strength of your body.
3. Before killing the racket, the grip must be relaxed, and there must be a gap between the palm and the racket handle, which is the most important, because only by relaxing first can you use the strength to kill the ball, otherwise if the grip is always tight, the strength of the wrist will definitely not be able to be used. Hold the racket tightly at the moment of hitting the ball and try to hit the ball.
4. The moment of killing the ball depends on the explosive power of the wrist and fingers (the fingers are mainly the index finger), just like whipping, which is also the focus of all backcourt techniques in badminton, unlike tennis, never rely on throwing the big arm to exert force, otherwise the ball will not have speed and will hurt you after passing.
5. When jumping, it is about when the ball begins to fall, and the legs should be kept slightly bent first, jump and kill the ball by the power of the toe kick, turn around immediately after the kill, the left foot is behind and land first, and the right foot will return to the center of the field after landing.
Badminton fitness value
1. Badminton can increase energy consumption.
Badminton. The total energy consumption has an important relationship with the duration. The energy consumed by the human body during exercise can be several times to dozens of times that of sitting still.
Studies have shown that long-term regular exercise can increase basal metabolic rate at rest. Therefore, after you choose to play badminton, you should insist on practicing for more than an hour every other day.
2. Badminton can promote fat decomposition and reduce its synthesis
Fat is the main oxidative energy supply substance, so it is natural to burn fat when playing badminton under aerobic conditions for a long time. In addition, exercise also reduces insulin secretion, which inhibits the synthesis of body fat. Because the minimum body fat mass should be in harmony with good health, when playing badminton, golfers must pay attention to the control of their exercise intensity and time.
3. Badminton can reduce body fat and improve body composition.
Long-term exercise in badminton, especially the amount of exercise at medium to medium intensity, can increase a person's lean body mass (lean body mass = body weight - fat weight), as evidenced by the fact that the body fat of elite athletes is lower than that of ordinary people.
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Smash the ball overhead.
The preparation posture of the overhead smash straight ball is similar to that of the overhead smash high ball, the difference is that when swinging the racket to hit the ball, it is necessary to drive the big arm by the waist and abdomen, coordinate the comprehensive strength of the lower arm and wrist to form a whipping action, and hit the ball downward with all your strength, and the angle between the racket surface and the horizontal plane is less than 90o The action method of the overhead smash diagonal is basically the same, but when hitting the ball, you must go all out to hit the ball in the diagonal direction.
Backhand smash ball.
The preparation of the backhand smash ball is the same as that of the backhand high ball, the difference is that the swing force before hitting the ball should be large, and the body backbow after jumping up plus the extension of the arm and wrist, and the abduction of the whip can be forced to the opponent's straight or diagonal, and the horizontal angle between the racket and the direction of the smash ball at the moment of hitting should be less than 90o
Airborne assault smash.
In addition to the above three smash techniques, there is another smash that is often used in games, and it is the aerial assault smash technique. When the opponent hits a flat high ball with a low arc, the body is in the air, the upper body is leaned back into a reverse arch shape, the shoulders are pulled back as far as possible, and when hitting the ball, the forearm is quickly raised, the wrist is stretched from the back to the in, and the forearm is whipped with the flexion and pressure wrist, and the ball is hit forward and down at high speed.
In the backcourt assault smash, first turn the body to move with a step or parallel step, and then use one or both feet to jump and smash the last step. Using this footwork requires good coordination, strong bounce, and good control of your body's center of gravity after hitting the ball, so as to consistently hit the next shot.
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Gender: Male.
Date of birth: May 5, 1992.
Profession: Student + Actor.
Zodiac sign: Taurus.
Area: Beijing No. 55 Middle School.
I'm 16 years old.
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The smash is also the action of the high ball, but the position of the shot is adjusted at the moment of swinging. If the point of impact is in the front, the point of landing is closer to the front, and if it is in the back, the point of the ball will be closer to the backcourt.
Smashes are divided into point kills, slash kills, and smashes (sometimes smashes will jump with both feet to increase the power of smashes).
The point kill is the moment the wrist is pressed down at the moment of the shot after the shooting, so that the lethality of the ball is not large, but it can play an excessive role, and it may also indirectly deceive the opponent.
The smash is the moment when the shot is released after the lead shot, and the action is the same as the smash, but the strength is different, and it can cause the opponent to make a wrong judgment in the actual game.
The smash is actually the moment when the shot is shot out, using the big arm to drive the small arm plus the strength of the wrist.
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Badminton teaching: Will the super simple "smash" be it, do you know these key points?
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At the beginning, I still practiced the point killing action of the wrist, and then I will talk about the standard killing action after mastering the standard killing action. Wait until this movement is proficient, and then cooperate with the arms and waist and abdomen to exert force.
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1 The tension of the racket should be appropriate 2 Correct swing of the racket 3 The point of impact is in front of the head 3 Hold the racket tightly before hitting the ball 4 Flash the lower wrist before hitting the ball.
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One is one's own strength, the second is to move correctly, and the third is to have a good beat.
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Use your wrist strength and exert force quickly.
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The wrong paddle surface still indicates that there is a problem with the grip of the racket, and the wrist is not turned out at the moment of hitting the ball, which can be improved by hitting the high ball practice.
The main reason for not making the force is that the body is not completely stretched, the lead or rotation is not enough, and the strength of the waist and abdomen, shoulders, and big arms is not used when killing the ball, and many of them may rely on the strength of the forearm, and the hitting point is also very important, and the hitting point of the killing ball will be slightly higher than that of the high and far ball.
There are a few key points to kill the ball, see if you can do it:
1. Posture. The body is sideways to the net, the left hand (the right hand is holding the racket as an example) must point to the sky, the right arm struggles back to pull the chest apart, the point is that the right forearm is relaxed, the racket is naturally horizontal to the side of the face, the right shoulder is on the top, and the right elbow is on the limit. At this time, the back, shoulders, and upper arms are definitely tense, including the leg muscles that kick the ground. When the ball hits the spot, the arm suddenly relaxes, like a compressed spring that is instantly released.
So I conclude that imagining the human body as a bow when killing a ball helps us understand the art of killing a ball. Before the arrow is fired, the bow must be fully opened to accumulate enough energy (this is the process of tightening), and the moment the bowstring is released, the power is fully transmitted to the arrow (this is the process of loosening). For amateurs, it is not easy to do all the moves in the confrontation, but remember that the right forearm is relaxed when killing the ball, the racket is naturally horizontal to the side of the face, the right shoulder is on the top, and the right elbow is raised to the limit, which will definitely cause a lot of trouble for the opponent.
2. Hitting point.
The idea is to hit the ball at the top, but this is a misconception that playing is actually hitting the ball in the most comfortable place. The height of the hit ball is much lower than the height of the high ball! There are a few important points when killing the ball, first move to the back of the ball, then raise the shoulders up, and the whole body should also be pulled up, and then easily buckle down!
It's not loud, but the quality will be heavy!
3. Grip the racket. Using a fist grip to kill the ball, the speed will go up, and the angle will become sharper, and it is easier to hit the slash like Lin Dan's head.
First of all, I want to make it clear, my age is very short, half a barrel level, and even the backhand pace and technique are not up to par, but I like to jump and kill, here the class door to get an axe, hehe, exchange and exchange, the wrong place please master axe! >>>More
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The head of the shuttlecock is heavier, and it can gain greater inertia when it is hit, so that the shuttlecock can fly for a long time, and the feathers at the tail of the shuttlecock are used to stabilize the direction of flight. When you hit the shuttlecock, the head of the shuttlecock gains a large inertia, the flight speed is large, and the tail inertia is small, and because the tail is designed to be an open shape that grows larger and larger backwards, the air resistance is large, and the flight speed is slow, so when it is beaten, it will turn around.
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