The neck does so many things, all at the same time. For example, it transports over 2,000 pounds (907 kilograms) of blood, air and food between the head and the torso every single day.

I've seen the latest GIF of some horrible looking head bump being done.I was ahead of the game 25 + years ago doing them and taking them… — William Regal (@RealKingRegal) March 14, 2016 ...

On Monday, he tweeted a chilling X-ray of his damaged neck, and warned future WWE stars not to take the same risks he did over the course of his career.