Can you describe some details about the warmup and the testing protocol? The interpretation of the gas exchange test may be fine by itself, but the high starting lactate readings give me pause. If the warmup was insufficient and / or the ramp rate was too high, the ability for the aerobic system to contribute sufficiently might have been limited.
AeT, Lactate, and Fe02
Hope you’re doing well!
I had a quick question aboutabout measuring Aerobic Threshold.
I recently did a lactate test, that included some measurements around ventilation.
The lactate component (graph 1), showed a lactate reading of about 2 at 160BMP. Based on my understanding, I could treat this as my AeT threshold.
Another graph provided, however, showed a big spike in fraction of expired oxygen (Fe02) at around 135-140 bpm (Fe02) – it seems that my aerobic function reduces a bit at this point.
The tester suggested that my AeT is probably around 135-140 due to this, even though lactate levels are quite low. I just wanted to ask if anybody had any experience in interpreting results like this and had suggestions on how I can treat my Z2 / <AeT training going forward.
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