Plastic track has a certain softness. During exercise does not appear inevitable accidental fall, if it is a direct fall on the ground, the hardness of the ground itself will give you a hard response. If using plastic track, a fall, the plastic runway softness will play its role to reduce the damage to a minimum, is also true for children. Plastic track is a certain degree of flexibility. Athletes intensity during exercise is relatively large, often will cause ankle injuries, sports arena if it is vinyl, because it's raw materials like cement and other raw materials so hard, itself has a certain degree of elasticity, so during exercise the elastic characteristics of plastic flooring will give athletes an invisible rebound ankle, which can reduce the harmful effects, the effective protection of the health movement.