Oh, you're supposed to land on your wheels, not your face?

Perhaps the dumbest sport in an open environment, let's fly down a mountain at 80 mph, feet first, and let my nuts slam into a highway guide.

At least this kid keeps it together enough to call help for himself...while his friends look on and continue filming.

I've never seen one like this before - the two bones in the forearm go in opposite directions and literally split the arm wide open.

Never ever try to break your fall on a body slam. Your back is a lot stronger than your arm, as this guy finds out. Makes it tough to tap out when you can't move your arm.