Twerking is starting to become dangerous.
That's going to leave a mark!!!
This guy cracks his skull. Ouch!
Pole vaulting can be a dangerous sport if you suck at it.
Doesn't even look like she knows what she just drew.
Testing the waters can be dangerous.
Her teammate gets down on all fours so that she can go up for a dunk. It does not work out so well.
Wet suits add a lot more speed to your slide!