Action sports star Travis Pastrana crashed hard on back-to-back “TP Roll” attempts Thursday night in X Games 17 Moto X Best Trick.  Read more after the jump.

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Pastrana, who was taken off on a stretcher and transported to a hospital for X-rays, has a broken right foot and ankle, according to medical officials working with ESPN.

Going into this year’s X Games, Pastrana planned to compete in Best Trick and Freestyle on Thursday and Friday, fly to Indianapolis to make his NASCAR Nationwide debut Saturday, then return to Los Angeles to compete in RallyCross on Sunday.

Pastrana crashed while attempting the corked 720 that had made him a gold medal favorite in Best Trick. Riders usually get one shot each round at throwing tricks, but Pastrana tried the 720 twice after under-rotating the first time. His second attempt ended in identical fashion and he immediately grabbed his lower leg as medical staff rushed to his side on the landing ramp.

Pastrana flashed a thumbs-up as he was being carried off in a stretcher.

Information provided by ESPN.com