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Parasympathetic function can be assessed by the deep breathing test DB as a simple and reproducible cardiovascular reflex. The aim of this study is to use this test to compare the vagal response of a young footballers group to of age-matched untrained normal subjects. Deep breathing test was performed in 2 groups: one of 20 adult young footballers average age of 19.3 ± 0.6 years, and a second age-matched group of 20 untrained subjects average age of 19.6 ± 0.6 years. Subjects underwent the DB test after 30 min resting in supine position, and responses were expressed as a percentage of variation of heart rate during the stimulation. Student’s t-test was used to evaluate statistical differences among the two groups for all parameters vagal response, heart rate, VO2max…. and considering p < 0.05 as a significant difference. The results showed that vagal response to deep breathing test was significantly higher in the young footballers when compared to the untrained controls 72.6% ± 16.2% vs 55.0% ± 12.8%, respectively, p = 0.03. The basal heart rate was significantly lower in footballers than in the controls group 52.1 ± 7.4 bat-min vs 69.8 ± 14.3 bat-min, p < 0.01. The use of the simple test of deep breathing allowed us to demonstrate that adult young footballers have a significantly lower basal HR and higher parasympathetic response in comparison to untrained subjects.

KEYWORDS

Deep Breathing Test; Parasympathetic Response; Autonomic Nervous System; Sudden Death; Trained Footballers

Cite this paper

Aboudrar, S. , Rkain, H. , Errguig, L. , Radjab, Y. , Oukerraj, L. , Azzaoui, A. , Ibrahimi, A. , Coghlan, L. , Cherti, M. , Benjelloun, H. and Dakka, T. 2012 Young footballers, assessed by deep breathing test, have a higher vagal response. Open Journal of Molecular and Integrative Physiology, 2, 61-64. doi: 10.4236-ojmip.2012.23009.





Autor: Souad Aboudrar, Hanane Rkain, Leila Errguig, Youssouf Radjab, Latéfa Oukerraj, Abdellatif Azzaoui, Azeddine Ibrahimi, Leslie Cog

Fuente: http://www.scirp.org/



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