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  • Title: Changes in Ventilatory Response to Exercise in Trained Athletes: Respiratory Physiological Benefits Beyond Cardiovascular Performance.
    Author: di Paco A, Dubé BP, Laveneziana P.
    Journal: Arch Bronconeumol; 2017 May; 53(5):237-244. PubMed ID: 28359608.
    Abstract:
    INTRODUCTION: The beneficial impact of an 8-month competitive season on the ventilatory profile response to exercise in soccer players has never been evaluated. MATERIAL AND METHODS: Ventilatory profile (evaluated by determining individual tidal volume [VT] relative to minute ventilation [VE] inflection points during exercise) and metabolic responses to incremental exercise were evaluated in 2 professional soccer teams before and after an 8-month competitive season. RESULTS: No differences between teams in anthropometric characteristics or in resting cardiopulmonary variables, included oxygen uptake (VO2) and heart rate (HR), before and during the competitive season were found. At iso-speed, there were overall improvements in carbon dioxide output (VCO2), VE/VO2, VE/VCO2, VE and respiratory frequency (fR) during the season. The VT/VE inflection points 1 and 2 occurred with greater exercise time, HR, VO2, VCO2, VE and VT during the competitive season. CONCLUSIONS: Despite very high baseline performance and a negligible improvement in VO2, an 8-month competitive season improved ventilatory profile response to exercise in elite athletes.
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