Originally Posted by
terrymorse
I think of EF as a sanity check on whether I'm currently improving, plateauing, or declining. Also, comparing my current value to prior years gives me idea of where I am in this year's fitness trend.
So, as I said above, I don't track this metric. What I do try to track is my power, and use that to tell if I'm improving, plateauing, or declining. Mostly, declining, dammit.