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King of the Deciduous Balls Albertini.
Albertini was one of Italy's most outstanding midfielders of the 90s of the 20th century. Although he briefly played for the likes of Bologna, Lazio, Atletico Madrid, Padua, Atalanta and Barcelona, he spent most of his career at AC Milan and is one of the founders of the Milan dynasty. Won every trophy they could with Milan, including five Serie A titles, two Italian Super Cups and three UEFA Champions Cups.
He also played in the 1994 World Cup as a midfielder for the Italian national team. Throughout the 90s of the 20th century, Albertini was the core of AC Milan and the Italian national team, ranking 8th in AC Milan's history in terms of appearances. What makes fans talk about it even more is that he also has a "falling leaf" stunt:
In the 1994 '95 match between AC Milan and Sampdoria, Albertini kicked a free kick that seemed to fly high but suddenly fell sharply near the goal, and the ball "floated" into the opponent's goal like a leaf, greatly playing with the former Italian international Zeng Jia. Since then, his free kicks have been known as "Fallen Leaf Ball". And "Falling Leaves" also alludes to his elegant and delicate ball style.
However, the inventor of the "deciduous ball" - Brazilian international Didi.
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The inventor of the defoliant ball is Didi of Brazil, and the world's more famous defoliant ball expert is undoubtedly Albertini of AC Milan, the current player is Italy's Andrea Pirlo, and Brazil's Juninho Jr.
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Summary. The principle of a defoliant ball in a soccer ball" is related to aerodynamics, similar to the principle of an airplane taking off. First of all, the deciduous ball generally does not rotate, and secondly, the round ball is not a regular circle.
When an irregular ball that does not rotate flies forward, its up, down, left and right air currents flow through the football at different distances, resulting in different pressures on the up, down, left and right, which will cause the ball to produce irregular movement trajectory in the air.
The principle of a defoliant ball in a soccer ball" is related to aerodynamics, similar to the principle of an airplane taking off. First of all, the deciduous ball generally does not rotate, and secondly, the round ball is not a regular circle. When a non-rotating irregular circle with a ball flies forward, the distance of its up, down, left and right air flow through the football is different, resulting in different pressures on the upper and lower left and right, which will cause the football to produce irregular movement trajectory in the air.
The principle of the defoliant ball in the football is that the rotation can keep the object stable in the empty slag, so the bullet shell has rifling to keep its rotation accurate, and the tender gun and the rugby ball will also make it rotate to enhance the balance, and the reason why the ball will produce an arc is because of the imbalance of air pressure caused by the direction of rotation and velocity. The "defoliating ball" in football and volleyball is characterized by very little rotation, so it is easier to be affected by the air and deviate from the trajectory, but this effect is not a**, so it will float left and right in mid-air, so the trajectory of the defoliating ball is also unknown to the penalty shooter, and can only approximate its direction. And the veritable "Falling Argument and Falling Leaf Ball" with fast falling speed is a penalty by controlling the penalty area to create a greater probability that the ball will fall.
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Fallen Leaf Ball: 1. The reason why the ball almost does not spin: as long as the ball is kicked in the middle of the ball when shooting, the ball does not rotate. (The more in the center, the less it turns).
2. The reason why the ball flickers left and right: no matter how accurate it is, there will be a little deviation from the left and right. It is this deviation that causes the force to shift slightly in a certain direction.
After the ball is shot, the ball should start out as an almost straight shot, but the ball is resisted by the air in the air and should be deflected in a certain direction, so there will be a strange lone line that flickers left and right.
3. The reason why the ball suddenly fell: because the ball is kicked with the foot, it is an upward force, and the point of the shot must be slightly lower. It is this force that causes the ball to spin a little bit, and as the second point says, the ball should be straight at first, but at the end, the slight downward spin makes the ball fall downward.
It is important to emphasize that because of the speed of fire, the air resistance of the ball after shooting is increasing, so the downspin also increases) The ball is an upward ball at the beginning, and the fall is at the later stage, so there is a feeling of sudden fall.
How to shoot the deciduous ball:
1. Shoot accurately: It is not the point of hitting the goal, but the point of hitting the ball. Because it's not easy to hit the very center of the ball.
2. Shooting posture: You must use your toes to shoot this kind of ball, because you are shooting with your toes, so you have to change your posture.
3. The explosiveness of the shot: I have seen the posture of shooting this kind of ball, all of which are with the foot below the knee. And the force required for this type of shooting is very difficult to use.
Action essentials: the foot should boldly do the action of pulling up when touching the ball, accelerate the speed of the forward rotation of the ball, and at the same time, according to the distance from the goal, choose the appropriate kicking force, if the horizontal speed of the ball is too fast, the ball will fall relatively late, may have crossed the goal, the speed of the ball is too slow, and the goalkeeper will react.
The NBA was founded on June 6, 1946. When it was founded, it was called ABA, or the National Basketball Association, and was jointly initiated by the owners of 11 ice hockey arenas and gymnasiums in order to keep the gymnasiums from being idle outside of ice hockey games.
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