Ultra-shortened time-domain HRV parameters at rest and following exercise in athletes: an alternative to frequency computation of sympathovagal balance.
Michael R EscoHenry N WillifordAndrew A FlattTodd J FreebornFabio Y NakamuraPublished in: European journal of applied physiology (2017)
The findings of the study suggest that ultra-shortened time-domain markers may be useful surrogates of the frequency-domain parameters for tracking changes in sympathovagal activity in athletes.