Throwback: Phil Heath got a crazy muscle cramp when he was guest posing on stage, he fell in pain and could not stand up. Phil explains that fans were doubtful if this was really a part of his routine, which is was certainly not.
You have probably gotten muscle cramps and it is probably one of the worst pain ever. Bodybuilders stepping on stage have extremely limited of water in their system making them vulnerable to muscle cramps caused by dehydration. Check out the above video.