http://www.youtube.com/watch?v=EridOzgpNdw <-- These guys are idiots.. About 99% of these guys could have avoided these falls if they just. (Skateboarding/biking/roller blading falls)
1) Learned their limits
2) Not try to show off in front of the crowd/friends
YIKES !
*Disclaimer* Don't watch this if you have a weak stomach