"NO PAIN NO GAIN" You have heard it in gyms, on television and YouTube videos from personal trainers, fitness professionals and celebrity coaches. When I hear it-IT MAKES ME WANT TO SCREAM....... As an athlete, and everyone is an athlete if you hear those 4 words-run as fast as you can. Training should never hurt. It should never cause any pain. Somewhere in the last 10 years we have grown used to the theory that a workout should be painful, it should hurt. If it doesn't hurt