Seasonal training and heart rate and blood pressure variabilities in young swimmers.

European Journal of Applied Physiology
Renza PeriniCarlo Capelli

Abstract

To evaluate if changes in athletes' physical fitness due to seasonal training are associated with changes in cardiovascular autonomic control, nine swimmers (three males and six females; aged 14-18 years) were evaluated before and after 5 months of training and competitions. Maximal oxygen consumption (VO2max) and ventilatory threshold were determined during a maximal test; heart rate (HR) and blood pressure (BP) variabilities' power spectra were calculated at rest (supine and sitting positions) and in the recovery of two exercises at 25 and 80% pre-training VO2max. At the end of the season: (a) VO2max and ventilatory threshold increased respectively by 12 and 34% (P<0.05); (b) at rest, HR decreased by 9 b min(-1) in both body positions, whereas BP decreased in supine position only by 17%. No change in low frequency (LF, 0.04-0.15 Hz) and high frequency (HF, 0.15-1.5 Hz) normalized powers and in LF/HF ratio of HR variability and in LF power of systolic BP variability was observed. In contrast, a significant increase in HF alpha-index (about 12 ms mmHg(-1)) was found; (c) during recovery no change in any parameter was observed. Seasonal training improved exercise capacity and decreased resting cardiovascular parameters, but did ...Continue Reading

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Citations

Dec 17, 2009·European Journal of Applied Physiology·Sergej M OstojicM D Stojanovic
Apr 13, 2010·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Martin BuchheitSébastien Ratel
Jun 25, 2014·Sports Medicine·Julian KoenigJulian F Thayer
Jul 21, 2009·Progress in Cardiovascular Diseases·Mariaconsuelo Valentini, Gianfranco Parati
Jan 19, 2008·Medicine and Science in Sports and Exercise·Martin BuchheitSaïd Ahmaidi
Oct 7, 2020·Journal of Strength and Conditioning Research·John DobsonPeter Chrysosferidis
Oct 27, 2020·Journal of Strength and Conditioning Research·John DobsonPeter Chrysosferidis

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