You run and weight train. You've done yoga and can almost touch your toes. So that means you're fit, right? Well, maybe. Trouble is, there's no definitive method for determining fitness across the board. As a result, an IRONMAN, CrossFit athlete and bodybuilder can all be fit by their own standards, but a flop outside of their specific domain.
According to strongman legend Earle Liederman, fitness means being able to save your own life in an emergency.