Considering the damage Jim Cornette did to himself when he fell from scaffolding at Starrcade '86, it's a minor miracle that he ever walked again.
There have been some weird and wacky matches in pro wrestling over the years. The Punjabi Prison match, inferno matches, and matches that revolve around any number of items being suspended on a pole. Perhaps the most stupid match type of all was one that has never made it to WWE, the scaffolding match.
Wrestlers who competed in scaffolding matches have described how the structure would wobble so much that it was almost impossible to safely perform moves on it. In fact, the scaffolding used at Starrcade 1986 was so unsafe that Jim Cornette severely injured himself when he fell from it into the ring. The clip of the incident is below, but if you haven't seen it before be warned, it is painful to watch.
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Cornette starts on top of the scaffolding and scrambles underneath it in his attempts to escape Road Warrior Animal. After swinging from the structure for a couple of seconds, he drops into the ring. However, instead of landing flat on his back like a trained wrestler would have, he lands flat on both his feet. As you might imagine, and can see from Cornette's face, the fall did a lot of damage to his knees.
Cornette broke a bone in one of his knees as well as tearing all the ligaments and damaging the cartilage. The damage was so severe that when a doctor drained the blood and fluid from it, it filled an entire bedpan. The worst thing about all of this is that obviously wasn't how the stunt was supposed to go down. Big Bubba Rogers, better known as WWE's Big Boss Man, was supposed to catch him.
Cornette revealed years after the event that he thought it was a terrible idea from the off. However, Dusty Rhodes convinced him that it would be a good idea and that he wouldn't get hurt. We love you Dream, but you were very wrong on this one. Thankfully, Cornette wasn't hurt more than the damage to his knees. He could very easily have never walked again after a bump like that.