Why we need a standard method to describe heart rate training zones part 1

More on ZONING – the video!

In this post I mentioned that I was using a Blink Heart Rate monitor because I can't see the numbers any more. It's flashing light shows me when I'm below JRA ( T1 or aerobic threshold), between T1 and T2 (T2 is anaerobic threshold) or above T2. Very simple. I like...