Yesterday we talked a little about the origins of defining fitness. There are 3 main pieces to the puzzle in that incredible PDF (if you didn’t check it out, you should check it out). Here is Greg Glassman talking about how those pieces fit together into our definition. There’s a bit of school science class in here too!
(I’ve linked you to the start of where he’s talking about “Work capacity measured over broad time and modal domains” around 21.20 and that finishes up around 27.24.