EXPLAINER: All those flips and twists on Olympic halfpipe

A skier trains on the half-pipe ahead of at the 2022 Winter Olympics, Tuesday, Feb. 1, 2022, in Zhangjiakou, China. (AP Photo/Francisco Seco)

United States' Shaun White trains on the halfpipe course at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Zhangjiakou, China. White, the three-time gold medalist who said recently the Beijing Games would be his last competition, begins qualifying for the halfpipe Tuesday. “I really want to finish my career strongly on my own terms and put down some solid runs," White said. "If I could do that, I’ll be very happy.” (AP Photo/Francisco Seco)

Workers inspect the halfpipe course ahead of the 2022 Winter Olympics, Friday, Feb. 4, 2022, in Zhangjiakou, China. (AP Photo/Kiichiro Sato)

Canada's Liam Gill trains on the halfpipe course at the 2022 Winter Olympics, Sunday, Feb. 6, 2022, in Zhangjiakou, China. (AP Photo/Francisco Seco)

Japan's Ayumu Hirano trains on the halfpipe course at the 2022 Winter Olympics, Tuesday, Feb. 8, 2022, in Zhangjiakou, China. (AP Photo/Gregory Bull)

Australia's Scotty James trains on the halfpipe curse at the 2022 Winter Olympics, Monday, Feb. 7, 2022, in Zhangjiakou, China. (AP Photo/Francisco Seco)