NDLI: Effect of high intensity intermittent training on heart rate variability in prepubescent children

Content Provider	Springer Nature Link
Author	Gamelin, François Xavier Baquet, Georges Berthoin, Serge Thevenet, Delphine urry, Cedric ttin, Stéphane Bosquet, Laurent
Copyright Year	2008
Abstract	The purpose of this study was to observe the effect of high intermittent exercise training on children’s heart rate variability (HRV). Thirty-eight children (age 9.6 ± 1.2 years) were divided into an intermittent (IT, n = 22) and a control group (CON, n = 16). At baseline and after a 7-week training period, HRV parameters, peak oxygen consumption $$ (\dot{V}{\text{O}}_{{2{\text{peak}}}} ) $$ and maximal aerobic velocity (MAV) were assessed. Training consisted of three 30-min sessions composed by short maximal and supramaximal runs at velocities ranging from 100 up to 190% of MAV. HRV was computed in time and frequency domains. Training resulted in a significant increase in MAV and $$ \dot{V}{\text{O}}_{{2{\text{peak}}}} $$ in IT (P < 0.05) only without any significant change in HRV parameters for the two groups. Thus, 7 weeks of high intermittent exercise training allows to improve aerobic fitness. However, this modality of training was not sufficient enough to underline a possible effect on the heart rate autonomic regulation in children.
Starting Page	731
Ending Page	738
Page Count	8
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	105
Issue Number	5
e-ISSN	14396327
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-12-24
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Autonomic nervous system Intermittent exercise Physical activity Poincaré analysis Prepubescent Sports Medicine Occupational Medicine/Industrial Medicine Human Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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