2018
DOI: 10.1159/000492457
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Short-Term High-Intensity Interval Training Is Superior to Moderate-Intensity Continuous Training in Improving Cardiac Autonomic Function in Children

Abstract: Objectives: This study aimed to investigate the impact of 3 isocaloric exercise programs on cardiac autonomic nervous system (ANS) functioning in children. Methods: One hundred nine children (39% boys and 61% girls) aged 10–13 years (mean 11.07 ± 0.81) were conveniently assigned to 1 of 4 groups as follows: Moderate-intensity continuous training (MICT; n = 29) at 65–70% of the predicted maximum heart rate (MHR), High-intensity interval training (HIIT; n = 29) at > 80% of the predicted MHR, HIIT and MICT combin… Show more

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Cited by 14 publications
(19 citation statements)
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References 30 publications
(42 reference statements)
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“…Another research compared the effects of implementation of HIIT and MICT protocols for adolescent cardiac activity. During a five-week experiment, which was based on an analysis of heart rate variability, the prevailing advantageous effect of the implementation of HIIT protocol on adolescent cardiac activity by means of increased vagal activity was proved [19].…”
Section: Resultsmentioning
confidence: 99%
“…Another research compared the effects of implementation of HIIT and MICT protocols for adolescent cardiac activity. During a five-week experiment, which was based on an analysis of heart rate variability, the prevailing advantageous effect of the implementation of HIIT protocol on adolescent cardiac activity by means of increased vagal activity was proved [19].…”
Section: Resultsmentioning
confidence: 99%
“…Global guidelines recommend that children aged 5–17 years old should engage in at least 60 min of moderate to vigorous PA daily with higher training loads and intensities imparting greater health benefits [20]. Regarding childhood exercise interventions for enhancing ANS cardiac regulation, frequency of sessions ranged from 3 days per week to daily sessions with individual session durations ranging from 20 min up to 2 h [14,18,21,22,23,24,25,26,27,28]. Intensity of sessions were typically performed at a moderate to vigorous percentage of heart rate reserve (40–85%) [29].…”
Section: Exercise Dosementioning
confidence: 99%
“…Whether the frequency of training sessions was a minimum of 3 days/week or daily training sessions, findings consistently displayed positive effects on child ANS cardiac regulation (i.e., increased PNS parameters and total HRV) [14,21,22,23,24,25,26,27,28]. Similarly, training sessions from 20 min up to 2 h positively impacted child cardiac ANS regulation [14,21,22,23,24,25,26,27,28]. However, the intensity of exercise sessions (i.e., moderate, vigorous, maximal, and supramaximal) may have an essential influence on child ANS regulation and, thus, PA guidelines that only give recommendations based on total daily volume are inadequate.…”
Section: Exercise Dosementioning
confidence: 99%
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