哪种地板可以视为运动地板？ 说到运动地板，每个人都会想到NBA篮球比赛中看到的木地板。 运动地板已广泛用于篮球场，羽毛球场，体育馆等场所。
What kind of floor can be considered as sports floor? When it comes to sports floor, everyone will think of the wood floor seen in NBA basketball games. Sports floor has been widely used in basketball court, badminton court, gymnasium and other places.
Standard for sports floor
When the moving floor collides with the limbs, it will deform moderately. When a person falls or slips, the sports floor is like a built-in sealed mattress, which has good cushioning effect and reduces the harm to human body.
What kind of floor can be considered as sports floor?
当人们移动时，他们会震动地板表面，并且运动员会从地面受到冲击。 如果撞击强烈，则人体的踝关节，半月板，脊髓和大脑容易受到不同程度的损害。 运动地板具有吸收冲击能量的能力，从而保护了运动员的运动安全。
When people move, they shake the surface of the floor, and athletes are hit from the ground. If the impact is strong, the human ankle, meniscus, spinal cord and brain are vulnerable to different degrees of damage. The sports floor has the ability to absorb the impact energy, thus protecting the athletes' sports safety.
3, friction coefficient
研究表明，轮换期间有12％的篮球运动员受伤。 运动地板的摩擦系数指示地板是太摩擦还是太滑。 考虑到运动员的活动性和安全性，运动地板的摩擦系数应在0.4和0.7之间。
Research shows that 12% of basketball players are injured during rotation. The friction coefficient of the sports floor indicates whether the floor is too friction or too slippery. Considering the mobility and safety of athletes, the friction coefficient of sports floor should be between 0.4 and 0.7.
4, ball back stretch
Bounce test is to test the rebound height of basketball from 6.6 feet to the sports floor. The data is expressed as a percentage, which is based on the rebound height of cement-based basketball and reflects the difference of rebound height.
The rules of indoor ball games require the take-off action of the ball and the rebound of the ball with the help of sports fields such as basketball. The rebound rate of the ball on the ground matching the ground shall be greater than or equal to 90%.
5, rolling load
The bearing and firmness of professional sports floor must meet the requirements of competition and training.