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Article Dans Une Revue Life Année : 2021

Reference Values of Forced Vital Capacity and Expiratory Flow in High-Level Cyclists

Résumé

Several studies have demonstrated that spirometric theoretical values may not be applicable to the high-level sports population. No reference values exist for high-level professional cyclists. We aimed to establish predictive spirometric values by reference equations. One hundred and forty-five French Caucasian high-level professional cyclists, aged 18–38, performed basic anthropometric assessment and spirometry during the medical evaluation at the beginning of the sport season. Measured values were compared with theoretical values. Predictive equations were established from anthropometric parameters to explain variations of spirometric parameters. High-level cyclists had significantly higher spirometric values than the theoretical values established from a general population, except for forced expiratory volume in one second (FEV1), forced vital capacity (FVC) and forced expiratory flow (FEF) at 25% of FVC. Only FVC and FEV1 were well predicted from body height. The FVC variation of 43.5% is explained by body height and weight. The FEV1 variation of 25.8% is explained only by body height. High-level cycling is associated with important respiratory adaptations depending on the body height and the sport specificity: intensive and prolonged endurance training. These findings are interesting for clinical individual application to diagnose obstructive disease and test reversibility with bronchodilator drugs.
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Dates et versions

hal-04627379 , version 1 (27-06-2024)

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Marc Dauty, Thomas Georges, Camille Le Blanc, Bastien Louguet, Pierre Menu, et al.. Reference Values of Forced Vital Capacity and Expiratory Flow in High-Level Cyclists. Life, 2021, 11, pp.9. ⟨10.3390/life11121293⟩. ⟨hal-04627379⟩
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