Two words: Holy sh*t.

That was one of the most brutal headkicks/knockouts I've ever seen. I seriously thought Cro Cop wasn't going to get up after that one, especially when the paramedics started circling.

And his knee and ankle folding up under him? I think the only thing that saved him from serious injury was the fact that he was completely out before he hit the floor and his muscles were relaxed. If he had tried to move even slightly against it, he would have seriously torn something.