Indoor first threshold test with alphaHRV and Python processing, result HR at HRVAeT 142bpm, W at HRVAeT 148w.
On the third day a session is programmed at the intensity set by the test and we process the session again with these results HR at HRVAeT 141 bpm, W at HRVAeT 144w. I attach the graphs for you to see
Testing zones through different changes in the trend of rra1 over the whole range.

