ArticleFrontiers in physiology2026
Evaluation of lung function and airway impedance in response to ultra-marathon.
Article in Frontiers in physiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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14 authors.
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Abstract
Introduction: Ultra-marathon races present a prolonged cardiopulmonary physiological stress but the magnitude, persistence, and impact of race environment on respiratory function are incompletely understood. The aim of this study is to observe the effect of ultra-marathon trail races on both lung function and airway impedance. Methods: Fifty-seven individuals (49/8, M/F) participated in either the Courmayeur-Champex-Chamonix (CCC Results: Results demonstrated significant effects of time for: forced vital capacity (FVC), forced expiratory flow over one second (FEV Discussion: Findings indicate declines in lung function and airway impedance immediately after ultra-marathon races, some of which, persisted up to 24 hours post-race. Further investigations are required to better understand the etiology of changes in lung function following ultra-endurance events.
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