Effect of athletic training on heart rate variability
Sacknoff D, Gleim G, Stachenfeld N, Coplan N. Effect of athletic training on heart rate variability. American Heart Journal 1994, 127: 1275-1278. PMID: 8172056, DOI: 10.1016/0002-8703(94)90046-9.Peer-Reviewed Original ResearchConceptsHeart rate variabilityRate variabilityParasympathetic toneControl subjectsHeart diseaseVagal activityBaseline parasympathetic toneCardiac vagal toneFrequency domain variablesChronic exerciseHabitual exercisePrognostic stratificationVagal toneControl groupEndurance athletesActivity levelsPatientsAthletic trainingAthletesDiseaseToneExerciseAccurate indicatorSubjectsPrognosis