Aerobic Threshold estimation using HRV based method DFA-⍺1 March 23, 2021August 25, 2021 by zenturtle, posted in Training A simple protocol to determine Aerobic Threshold used in Polarized Training, based on HRV.Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Like Loading...