What are the characteristics of football, the characteristics and role of football?

"Universally celebrated" specifications.

The following is a comparison of the specifications and FIFA standards of "Celebration of the Whole World".

Circumference: "Universal": - centimeters FIFA standard: centimeters.

Roundness: The diameter of the ball is measured in 16 different places.

"Celebration of the whole world": maximum error FIFA standard: maximum error water absorption: the football needs to be pressed 250 times in water.

"Celebration of the whole world": zero weight gain FIFA standard: maximum weight gain of 10% weight. "Celebration of the whole world": 440 + - g FIFA standard: 420-445 grams.

**Performance: In the test, the ball was dropped from a height of two meters to the steel plate, which was repeated 10 times.

The height of the :* is between 143 and 149 cm according to FIFA standards: the difference between the highest and lowest** heights in 10 times is not more than 10 cm.

Pressure loss: Air pressure is measured after 3 days of inflation.

"Putian Tongqing": maximum pressure loss 10% FIFA standard: maximum pressure loss of 20% "Putian Tongqing" is not made of 32 balls sewn by hand, but is made of 8 balls thermally bonded, which has higher roundness and stronger water resistance.

Grooves: Grooves are used to reduce air resistance and improve lateral stability in flight.

Embossing: Embossing is used to provide extra grip, which in turn improves the control of the goalkeeper and other players on the ball.

Soccer is a game of attack and head!

Football Sports Features:

1. Cooperation. The football team consists of 11 players and competes on stage. These 11 people should have a high degree of tacit understanding and cooperation. If the enemy attacks alone, the whole team should be vigilant. If the enemy rules one person, the whole team must have a sense of prevention and a sense of participation in battle.

2. Coordination. Playing soccer mobilizes the strength of the whole body. Over time, it can make the body more coordinated.

3. Adversarial.

Football is a competitive and confrontational sport. In order to achieve this, the two sides engaged in close combat. The tug-of-war between the two sides is even more exciting. There were many cases of friction and collision, which led to damage to the goal, showing the fierce confrontation between them.

4. Entertainment. Due to the relatively simple rules of football and the ease of use of tools, it is a project suitable for national sports entertainment and has high feasibility.

Function: 1. Improve physical fitness.

When teenagers in the development stage are exposed to sports such as football, it is easier to enhance their physique, improve their own immunity, and grow taller and taller in the development stage. The body is Y-shaped, with flexible steps, good endurance and flexibility.

2. Exercise people's spiritual will.

In sports competitions, your willpower and sense of competition will be better trained. Sports will also form a positive, courageous, not afraid of difficulties, hard-working spirit. Because the game of football requires players to think, observe, judge, and react, you will have quick thinking and judgment.

3. Relieve psychological pressure.