The appearance of basketball is as shown in the picture

Basketball, English (basketball), originated in Massachusetts, USA. It was created by James Naismith on December 21, 1891. It is an Olympic Games The core competition event is a physical confrontation sport centered on the hands.

On December 21, 1891, it was invented by James Naismith, a physical education teacher at the YMCA Training School in Springfield, Massachusetts (now translated as Springfield College, USA). In 1896, basketball was introduced to China, and in 2002, Yao Ming was selected into the NBA as the top pick, starting a new craze for Chinese basketball.

In 1904, the first basketball exhibition match was held at the St. Louis Olympic Games. In 1936, basketball was listed as an official event in the Berlin Olympics. In 1992, the Barcelona Olympics began, and professional players could participate in Olympic basketball games.

The main international basketball organization is the International Basketball Federation (International Amateur Basketball Federation), which was founded in 1932 and is headquartered in Geneva, Switzerland.

The highest level basketball league in the world today is the National Basketball Association (NBA).

The highest level league representing China is the Chinese Professional Basketball League (CBA).

Extended information

Types of basketballs

According to material classification, they can be divided into

1. Rubber basketball: the production process is simple and the cost is low. It is low, has good elasticity, is very light in weight, feels hard, is easily deformed and leaks air, and is generally not used for competitions.

2. PVC synthetic leather basketball: It is artificial plastic. The surface of this ball is composed of eight pieces of PVC leather. It is a mid-to-low-end ball.

3. PU synthetic leather ball; the surface is composed of eight pieces of PVC leather, which is a mid-range ball. Its elasticity, feel and wear resistance are better than PVC balls and rubber balls.

4. Natural leather ball; commonly known as "leather basketball", the surface is composed of eight pieces of natural leather and is a high-end ball. Its elasticity and feel are better than PU synthetic leather balls, but its wear resistance and water resistance are worse than PU balls. Generally suitable for use in indoor places. It is used in most formal competitions today.

According to the usage environment, it can be divided into

1. Indoor basketball (INDOOR)

2. Outdoor basketball (OUTDOOR)

3 , Indoor and outdoor general balls (INDOOR/OUTDOOR)

Can be divided according to specifications

1. No. 7 basketball; (commonly known as standard ball) The circumference of this ball is about 76CM. All international adult basketball games must use basketballs of this size.

2. Size 5 basketball; the circumference of this ball is about 69CM. It is usually used as a game ball for teenagers and children.

3. No. 3 basketball; the circumference of this ball is about 55CM. Usually used as a children's game ball.

Baidu Encyclopedia_Basketball