For the time I have spent in the fitness and strength and conditioning industry I have really struggled to define fitness. Everyone sort of has an intuitive sense of what it is, but I think that all of the definitions so far have been very abstract and don’t really dial it down to anything concrete and specific.
Crossfit defines fitness as “work capacity across broad time and modal domains.” I respect this definition, but I surely have no idea what it means. I am not even sure what work capacity means anymore because your work capacity is going to be very different depending on the context of the work. I recently watched a video of some guy in the midd