My current training status shows as unproductive and GC tells me my fitness is declining. I dont understand why and am looking for some enlightenment please.
From the images below you can see that I'm in the correct zones for low, high aerobic and anaerobic. Yet over the last few weeks my o2 max has dropped from 49 to 46. I have just started the zwift 6 week FTP builder training plan which over the first week has noticeably easy workouts. Prior to starting this I was deliberately seeking out harder anaerobic workouts. You can see my 7 day load gradually decreasing..I'm assuming this is commensurate with starting the 6 week FTP and doing the first weeks easier workouts....is this then the reason that the GC app is telling me my fitness is declining?