ASPEN WINTER X GAMES 2013

Bobby Brown slides down the hill after wiping out in the men's ski big air finals at the Winter X Games. The use of an airbag in training can help develop the body mechanics needed for big tricks, but it also increases the risk for athletes striving for glory in action sports now defined by increasingly technical and dangerous tricks. (Photo by Daniel Petty/The Denver Post)

Bobby Brown slides down the hill after wiping out in the men’s ski big air finals at the Winter X Games. The use of an airbag in training can help develop the body mechanics needed for big tricks, but it also increases the risk for athletes striving for glory in action sports now defined by increasingly technical and dangerous tricks. (Photo by Daniel Petty/The Denver Post)

ASPEN, CO – January 26: Winter X Games Aspen 2013 at Buttermilk Mountain on Jan. 26, 2013, in Aspen, Colorado. (Photo by Daniel Petty/The Denver Post)