Erschienen in:
01.08.2015 | Research Article
Parasympathetic reactivation in children: influence of two various modes of exercise
verfasst von:
Mehdi Ahmadian, Valiollah Dabidi Roshan, Mahdi Hosseinzadeh
Erschienen in:
Clinical Autonomic Research
|
Ausgabe 4/2015
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Abstract
Purpose
This study examined the effect of various modes of exercise on parasympathetic reactivation in children.
Methods
Twelve healthy boys volunteered for this study. Time domain measurement of heart rate variability in 5 and 10 min and heart rate recovery (HRR) in 1 (HRR1) and 2 min (HRR2) were measured during recovery after incremental exercise tests by a 12-lead ECG. Incremental exercise tests were performed using either upper (arm cranking) or lower body (cycling) ergometers.
Results
The amounts of increase in RMSSD and PNN50 in 5 and 10 min of recovery were higher in arm cranking compared to cycling. HRR1 and HRR2 were significantly higher after arm cranking compared to cycling.
Conclusions
These results suggest that parasympathetic reactivation is likely greater following exercises that use smaller muscle mass (arm cranking) rather than larger muscle mass (cycling) in healthy boys.