The middle piles and small piles are in groups of 20, and the pile spacing is 80 cm and 50 cm respectively.

Generally, people play with wooden stakes, 20 in a row, with a spacing of 80 cm. The three rows of piles seen during the competition and performance are small piles, medium piles and large piles, and the pile spacing is 50 cm, 80 cm and 120 cm respectively.

Roller skating can be carried out freely, and there is no limit to freestyle roller skating. There are also many kinds of freestyle roller skating, which can be used to brush the street and do some simple sliding movements. It can be said that as long as you wear roller skates, you can enjoy freestyle roller skating. Freestyle roller skating is usually called flat figure skating in China. Many people mistakenly think that freestyle roller skating is flat figure, but it is actually different. The essence of freestyle roller skating is entertainment and relaxation, not just practicing fancy movements. Edit other introductions in this paragraph: flat fancy roller skating 1. Definition: All kinds of continuous skating without jumping between a fixed number of standard piles with roller skates. 2. Straight flush competition mode: ① Speed competition: The competition stipulates the speed of passing piles in the sliding technical action. (2) freestyle competition: In the specified time, according to the rhythm of music, on the basis of doing the basic technical movements, you can freely use the combination to slide smoothly. Note: The two competition modes have different judging rules. ...