Why the study?
Does habitual physical activity level influence the magnitude and day-to-day stability of resting heart rate variability in healthy men?
Population
37 healthy men grouped by self-reported weekly physical activity
Comparison
Moderate or high self-reported habitual physical… vs Low (LOW) self-reported habitual physical activity
Design
Cross-sectional
Follow-up
5 consecutive mornings
Authors
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HRV reproducibility holds independent of activity level; leaves open whether exercise training modulates HRV in clinical populations.
Does habitual physical activity level influence the magnitude and day-to-day stability of resting heart rate variability in healthy men?
Resting heart rate variability is highly reproducible day-to-day in healthy men, but its magnitude does not increase in a dose-dependent manner with higher levels of habitual physical activity.
Edward L. Melanson (2000) studied this question.
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