Shaun White, Chloe Kim: The tricks behind snowboard tricks

We see Shaun White and Chloe Kim land gravity-defying tricks. How did they do it? Justin Perry is the Freeride Program Head Coach at the New York Ski Education Foundation. He tells Fox News that winter sports athletes, especially ski and snowboard athletes training for slopestyle, halfpipe, and big air use the trampoline as a crucial training tool