Gonna need a medic and a chiropractor.
30 people skiing and holding hands manage to do a backflip at the same time. They actually all land it except for one scrub.
Another idiot thinks he can master the ATV backflip and fails.
This kid is going to have an aching back for a while.
This must have taken a ton of training.
A bored engineer decided to make a robot that could land a perfect quadruple backflip.
The popular monster truck Gravedigger does an epic backflip during one his shows.
This moron nearly breaks his neck on this failed attempt at a backflip.
Ouch, that left a decent mark. You sir are no Olympian. Fail!