Originally Posted by
WhyFi
I assume that this means some suffering when hooked up to contraptions? I'm surprised to hear about the cost - much more reasonable than I'd have expected.
I think it’s a series of finger or earlobe sticks, while doing some sort of ascending protocol on the bike. They can estimate it from respiratory gas analysis, the way they do VO2, but it’s not as accurate for this. Lactate also tells you a lot about your general metabolic health.