Exercise Intensity Modulates the Validity of Non-Linear Heart Rate Time Series Analysis Window Length: Implications for DFAa1 Monitoring
J. De Maeseneer, Anton Olieslagers, Thomas Gronwald, Toon T. de Beukelaar
This paper evaluates the validity of shortened DFAa1 analysis windows for different exercise intensities, finding improved reliability with higher intensity and suggesting adaptive windowing strategies.
bioRxiv · Feb 4, 2026 · PreprintPhysiology