By Marco Altini, HRV4Traning Heart rate variability (HRV) is an important marker of an individual’s physiological stress level. Due to recent technological improvements in terms of computation power and accessibility to high-quality wearable technology we are seeing all sorts of applications making use of HRV today, from optimizing performance in sports, to monitoring psychological stress … Continue reading Analysis of Acute HRV Changes and Understanding the Big Picture Using Multi-parameter Trends Analysis