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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2018 March;177(3 Suppl 1):78-87

DOI: 10.23736/S0393-3660.17.03712-3

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Heart rate variability in young hockey players

Elena F. SURINA-MARYSHEVA 1 , Vadim ERLIKH 1, Yuliya KORABLYOVA 1, Lyudmila KRIVOKHIZHINA 2, Elena ERMOLAEVA 2, Salavat KANTYUKOV 2

1 Institute of Sports, Tourism and Service, South Ural State University, Chelyabinsk, Russia; 2 South Ural State Medical University, Chelyabinsk, Russia


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BACKGROUND: To determine the age features of heart rate variability in young hockey players.
METHODS: A total of 85 male children aged between 7-8 and 11-12, engaged in ice hockey in a specialized children’s and youth school of the Olympic reserve of the Ural region of Russia and students of the secondary school with a high level of physical activity were examined. Standard methods of time analysis, frequency analysis of heart rate variability (HRV) and variational pulsometry were used in the work. The reactivity of the parasympathetic part of the autonomic nervous system was determined during the transition period of the active orthostatic test.
RESULTS: As compared to the group of 7-8-year-old boys, in the group of hockey players aged 9-10 there were more values of SDNN and RMSSD, less than AMO%. The values of VAPR, VPR and SI were lower than at an earlier age. Hockey players aged 11-12 and 9-10 were the same in all parameters of the HRV. Regarding 7-8-year-old boys, the group of hockey players aged 9-10 had more TP, absolute and relative number of HF-waves, less relative number of VLF-waves. At 11-12 years of age, the hockey players of the TP and the ratio of HF, LF and VLF-waves did not differ from the younger age groups. Coefficient of 30:15 in motor-active schoolchildren of 7-8 years and hockey players of 9-10 years was the same, but increased at the age of 11-12 years. In the group of boys of 7-8 years with a high level of motor activity, 48% had predominance of types I and II of the heart rate regulation, 52% - III and IV. In the groups of hockey players of 9-10 and 11-12 years the ratio was different: 18% and 82%; 24%: 76%.
CONCLUSIONS: Rhythmic activity of the heart of young hockey players of 9-12 years in conditions of relative physiological rest is characterized by a high degree of variability due to an increase in the activity of autonomous regulatory mechanisms. Most hockey players aged 9-10 and 11-12 years old have the types of regulation with a significant degree of autonomization. In 11-12 years, hockey players have an advantage with a moderately pronounced predominance of autonomous regulation mechanisms. The increase in the reactivity of the parasympathetic nervous system in the heart rate regulation in an active orthostatic test occurs in 11-12 years and is associated with age-related rearrangements in the higher subcortical centers of vegetative regulation.


KEY WORDS: Heart rate - Athletes - Hockey - Adolescents

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