Hello. Garmin's titling of Zone 3 as "Aerobic" has me confused. It may be my personal fitness or lack thereof that creates the confusion, but none of the popular math (e.g. 70% of HR Reserve) puts the bottom of my Zone 3 anywhere near where the KORR company's testing identifies my Aerobic and Anaerobic thresholds. My resting pulse is 48, my max HR is 182. KORR identifies my AeT at 104 and my AT at 160. I was thinking if I wanted to pursue Maffetone's training philosophy, I'd want Zone 3 (Garmin's "Aerobic") to somehow relate to my AT and AeT values, and then presumably train while keeping HR within that range. But given my [seemingly] low AeT of 104, I'm not sure what Zone 2 would be, and it will make it quite challenging to achieve "intense" efforts from the very narrow resulting zones 4 and 5 (160 to 182 for two zones?). According to the test report given my from the KORR testing, I am in "fat burning" mode BELOW 104, which I *think* corresponds to Maffetone's guidance of where to build up my aerobic base. Maybe I'm supposed to set the bottom of Zone 3 to 104 and then train in Zone 2, but I'm not sure. I'm wondering if the notion of 'Aerobic" zone on the watch might not correspond to a ramping down of aerobic function at the same time anaerobic function is ramping up (i.e. zero anaerobic at the bottom of zone 3 and zero aerobic function at the top of zone 3). I also still want credit for intensity minutes when I'm working in zone 4 or 5, so I don't want those set ridiculously high. Anyone have any suggestions for choosing custom HR Zones in the face of test result information? Thanks in advance!
