PS: I measured HR with a chest strap connected to my watch.
I just did my first self-administered lactate test using the Lactate Plus device following the protocol and tips described in an article here. I did it on a treadmill , with 1% incline, in 5 min stages, starting with 6km/h and ending with 13km/h, increasing by 0.5km/h for each stage. Between stages, I got off the treadmill , dried my finger with a clean paper towel, cleaned it with an alcohol swipe, dried it again with a new towel, then took the sample. I was careful to remove the first drop, and to place the second drop in the test strip without touching the skin. It took about 60-70 seconds from me getting of the treadmill to when the blood drop was placed in the device. I did the test in the morning in a fasted state.
The results are attached in a plot.
If I go by the “2mMol/L” criterion, my AeT would be 179bmp, which seems very high.
I’m 30, and I’ve been training actively for the past 2 years, but I’m not in that great of a shape, so this seems too high (my marathon PR is 4:00h, which felt right at my limit, back in April). I haven’t been training for the past month because I was recovering from a big event.
My max HR is ~200, time trial AnT ~177, drift HR test AeT ~ 155-160.
Can you help me interpret these results? Lactate starts at ~1.4mMol at rest, then stays between 1.3-1.7 during initial easy stages, then suddenly drops to 0.8mMol at peak HR 154 (which was 7min/km with median HR 146 for the last 2 minutes) and steadily increases from there.
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