Key result
Aerobic training increases heart rate variability in both children and adults, with heart rate increases during exercise arising through withdrawal of parasympathetic modulation.
Why the study?
Does exercise affect heart rate variability in adults and children?
Does exercise affect heart rate variability in adults and children?
This review highlights that children exhibit similar autonomic responses to exercise as adults, with aerobic training enhancing parasympathetic modulation and HRV.
Supports aerobic training for HRV gains in youth; extends adult data but leaves optimal pediatric protocols open.
Adults’ cardiac autonomic regulation during exercise and in relation to peak oxygen uptake is well understood, however the situation in children is sparsely documented. Heart rate variability (HRV) analysis provides a non-invasive tool to research sympathovagal balance. A predominance of parasympathetic mediated modulation is characterized by a greater degree of HRV and vice versa. The available data indicate the child’s response to be similar to that observed in adults; heart rate increase arises through withdrawal of parasympathetic modulation with ensuing increase in sympathetic modulation; aerobic training increases HRV and a positive correlation between peak oxygen uptake and a parasympathetic preponderance.
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Richard J. Winsley (2002) conducted a review in Cardiac autonomic regulation. Exercise and aerobic training was evaluated on Heart rate variability (HRV). Aerobic training increases heart rate variability in both children and adults, with heart rate increases during exercise arising through withdrawal of parasympathetic modulation.
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