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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


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The Journal of Sports Medicine and Physical Fitness 2017 Nov 17

DOI: 10.23736/S0022-4707.17.07619-8

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effects of detraining on breathing pattern and ventilatory efficiency in young soccer players

José R. ALVERO CRUZ 1 , Mauro RONCONI 1, Jerónimo GARCIA ROMERO 1, José NARANJO ORELLANA 2

1 Universidad de Málaga, Facultad de Medicina, Málaga, Spain; 2 Universidad Pablo de Olavide, Informática, Sevilla, Spain


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BACKGROUND: This study investigated the effects of detraining on breathing pattern. The aim of this study was to evaluate the effect of a sixweek detraining period on breathing patterns and ventilatory efficiency.
METHODS: Fourteen young soccer players were evaluated at the end of a competitive season and after a sixweek detraining period. Assessment of respiratory efficiency was based on VE/VCO2 slope changes below 70% of exercise intensity. All participants underwent twice an incremental graded exercise test up to exhaustion.
RESULTS: No differences in breathing frequency and inspiratory time/ total time ratio (Ti/Ttot) were found after detraining (p>.05). Differences in tidal volume (VT), VT/Ti quotient and VE were significant (p<.05) at between 40 to 100% of exercise intensity. The VE/VCO2 slope did not change (p>.05) during a postdetraining maximal incremental test.
CONCLUSIONS: A sixweek detraining period causes changes in inspiratory flow but does not affect the inspiratory time/total respiratory cycle time ratio. The overall ventilatory efficiency of the respiratory system remains constant and is not affected by detraining.


KEY WORDS: Respiration - Efficiency - Exercise

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Publication History

Article first published online: November 17, 2017
Manuscript accepted: November 8, 2017
Manuscript revised: October 18, 2017
Manuscript received: March 29, 2017

Per citare questo articolo

Alvero Cruz JR, Ronconi M, Garcia Romero J, Naranjo Orellana J. Effects of detraining on breathing pattern and ventilatory efficiency in young soccer players. J Sports Med Phys Fitness 2017 Nov 17. DOI: 10.23736/S0022-4707.17.07619-8

Corresponding author e-mail

alvero@uma.es