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aerials water ramps
Water ramps into oversized pools, ponds, or lakes are constructed as training locations for aerial skiing, mogul skiing, and snowboarding acrobatics events. Such structures typically comprise three sections, in-run, a kicker, and a water surface for landing. They permit the practice of new skills with reduced risk, as the impact of a water landing is less dangerous than a comparable impact on compacted snow.
==History==
Water ramp training for snow ski aerials became an indispensable professional training tool when Bob Salerno, Frank Bare, Jr., Hans Ribi and Jeff Chumas built a ramp capable of breaking world records in 1978. This first world class water ramp was built at Nordic Valley ski resort. Bare performed the first recorded double twisting triple back flip and triple twisting triple back flip in 1979 at Nordic Valley, and four years later he was the first to perform a quad flip on snow. As no comparable water ramps existed elsewhere, skiers from all over North America trained at Nordic Valley until an updated structure was completed in Lake Placid, New York in 1987. The state of Utah, in coordination with the US Ski Tem built their water ramp () in 1993, in preparation for the 2002 Olympics (). Now called the Utah Olympic Park, the acility host U.S., Australia and other national ski teams for Freestyles Aerial skiing and Mogul skiing, as well as various Snowboarding and Freeskiing athletes. Additional modern water ramps are located at Mettmenstetten (JumpIn), Switzerland (), Stity (Acrobat Park), Czech-Republic (), Lac-Beauport, Quebec, Canada (), and Minsk, Belarus (see () for a full list). This last site in Belarus was completed in 2015 and is one of the first indoor waterramp facilities (), allowing year-round training and climate control.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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