5 - Sarah Falcon fell off her board and broke her tibia.

4 - James Sievers received cuts on his forehead while snowboarding.

3 - Brian Hanson fell in a sludge puddle after failing a jump. He lost three teeth and also broke a bone in his chin.

2 - Casey Otto jumped on a wall with his bike, but fell on the way down. He lost a tooth and received a cut across the top of his nose.

1 - Motocross legend Brian Deegan fell off his bike. He lost a kidney, lacerated his spleen, and lost a significant amount of blood.