This girl takes a softball to the back of the head and the other team scores.
This cop is in training and has to take a taser in the back without pulling the trigger on his gun.
This moron tries to do a back flip at a rock concert and lands on his head.
This heavy artillery gun has some major kick back.
More backyard wrestling goes bad. This is how to break your back.
Forgot To Put The Gas Nozzle Back
Great way to knock out some teeth!