1, the two backboards should be made of transparent materials, preferably reinforced safety glass, and the hardness is equivalent to three centimeters thick wood. The size of the backboard is 1.80 m in width and 1.05 m in vertical height, and its lower edge is at least 2.90 m from the ground.

The surface of the backboard should be smooth, and a rectangle with a width of 59 cm and a height of 45 cm should be drawn around. The upper edge of the bottom line of this rectangle must be connected with the upper end of the ring.

2. Basket-Made of solid iron, the inner edge is at least 45cm in diameter and at most 45.7cm in diameter, and painted orange. The minimum diameter of the metal hoop is 1.6 cm and the maximum diameter is 2.0 cm.

Nets-should be white, hanging on the basket, its purpose is to make the ball have a slight resistance after entering the basket. The fishing net should have 12 meshes to be hung on the hoop, with a minimum length of 40 cm and a maximum length of 45 cm.

Extended data:

Ground requirements

1, basketball court foundation has soil, cement, asphalt and wood, etc. When conditions permit, wooden floors are usually used. Soil, cement and asphalt sites are relatively economical and widely used at the grass-roots level, but attention should be paid to leveling the ground to prevent injury accidents.

The advantage of basketball court in soil field lies in its simple construction, as long as there is flat ground. Its biggest disadvantage is that the ground is easily affected by the weather. It can't play basketball when it is trampled in potholes after rain, and it is easy to get dusty in windy weather, which leads to normal exercise.

Cement floor: Basketball courts with cement floor are still common today. In many county-level urban and rural schools, basketball courts are made of cement.

The advantage of the basketball court with cement floor is that it is smoother than the ground, less damaged, less affected by the weather and relatively durable. However, its disadvantage is that the ground is hard and the elasticity is not good, which is easy to make the fallen athletes suffer serious scratches or earthquake injuries during sports.

Baidu encyclopedia-basketball court