Heart rate variability (HRV) is a relevant marker reflecting cardiac modulation by sympathetic
and vagal components of the autonomic nervous system (ANS). Although the clinical …

This review examines the influence on heart rate variability (HRV) indices in athletes from
training status, different types of exercise training, sex and ageing, presented from both …

(HRV) as a Tool for Diagnostic and Monitoring Performance in Sport and Physical Activities.
JEPonline 2013; 16 (3): 103-131. The dynamic autonomic responses during exercise can be …

Objective Heart rate variability (HRV) analysis has been used to evaluate patients with
various cardiovascular diseases. While the vast majority of HRV studies have focused on …

ABSTRACT Sport and Exercise Psychology (SEP) often adopts physiological markers in
theory and practice, and one measure receiving increasing attention is heart rate variability …

Background Regular exercise promotes functional and structural changes in the central and
peripheral mechanisms of the cardiovascular system. Heart rate variability (HRV) …

Background Autonomic regulation of heart rate (HR) as an indicator of the body's ability to
adapt to an exercise stimulus has been evaluated in many studies through HR variability …

A reliable non-invasive method to assess autonomic nervous system activity involves the
evaluation of the time course of heart rate variability (HRV). HRV may vary in accordance …

The measurement of heart rate variability (HRV) is often considered a convenient non-
invasive assessment tool for monitoring individual adaptation to training. Decreases and …

The purpose of this investigation was to examine the relationships between aerobic fitness,
volume of physical activity (PA), heart rate variability (HRV), and heart rate recovery (HRR) …