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Teach you to identify the five positions on the NBA court, which position do you think is the most important?
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The playing field is rectangular, 40 meters long and 20 meters wide. By measuring the length of its two diagonals, the accuracy of the field dimensions can be checked. The field diagonal (measured from the outer edge of the two diagonals of the field) should be meters long.
The diagonal of the half court (from the outer core of the field corner to the angle formed by the outer edge of the side line and the longitudinal midpoint of the center line) should be meters long.
The 7-a-side handball court is rectangular in shape, with a sideline of 40 meters and an end line of 20 meters, consisting of a half-sided court parallel to the end line and two goal areas.
The goal is made of wood, light metal or mixed material, located at the end line**, 2 meters high and 3 meters wide, with a cross-section of 8 cm 8 cm. The goal should be painted with two colors of paint that are clearly different from the background, and the goal net should be hung behind the goal, so that the ball that shoots the goal will not pop out immediately.
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The handball court is rectangular, 40 meters long, 20 meters wide, and the long boundary line is called the side.
The zhi line, the short boundary line is called the end dao line. The end line includes the ball.
Dedicated lines (between goal posts) and external goal lines (on both sides of the goal). A goal is placed on each end of the court**, and there is a fan-shaped goal area and a playing field area in front of the goal. The lines on the field are part of their respective defined areas, with the goal line being 8 cm wide and the rest of the lines being 5 cm wide.
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The handball is strictly below the shoulder. However, not all arm contact with a soccer ball will be awarded a handball. A handball offence can only be awarded if the following conditions are met:
1. Intentional handball, that is, the athlete has a sense of envy and touches the football with his arm, which will definitely be punished.
2. If the arm is removed from the body, the contact with the football and the benefit is also awarded.
However, there are some cases where handball will not be awarded.
1. Unconscious handball without the arm leaving the body.
2. "Ball hitter", that is, the player is running or self-protection, which is the opponent's kicking out of the ball too fast, and the football hits the arm without the sedan chair reacting, which will not be punished for handball violations.
The above is about the rules and regulations of handball, but in the football game, the situation on the field is ever-changing, and the situation of handball is also diverse, in this case, the referee is required to have a strong business ability and adaptability, and can correctly analyze the situation on the field in combination with the provisions of the rules, so as to make the correct decision.
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In football, players fly to tackle, goalkeepers leap to save the ball, and athletes in tennis games can attract bursts of applause and nuclei from the audience, because the action is wonderful.
And the above actions abound in handball matches, and they emerge in endlessly. On the handball field, in front of the noisy mold of the goal, there is an arc with a radius of 6 meters, called the goal area. The rules stipulate that only the goalkeeper can move inside, and the attacking player can only enter the goal area after the goal ball has been shot.
Therefore, if an athlete wants to shoot from close range, he must use the technique of leaping to shoot, and from this, a variety of aerial movements are derived, forming a variety of leaping shooting techniques.
In addition, the fickle shooting action, the flexible hidden pass, and the goalkeeper's lightning-fast save all add a more touching color to the intense handball game.
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