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ORIGINAL ARTICLE EXERCISE PHYSIOLOGY AND BIOMECHANICS
The Journal of Sports Medicine and Physical Fitness 2021 May;61(5):666-72
DOI: 10.23736/S0022-4707.20.11302-1
Copyright © 2020 EDIZIONI MINERVA MEDICA
lingua: Inglese
Swimming exercise transiently decrease lung diffusing capacity in elite swimmers
Iker GARCÍA 1, 2 ✉, Franchek DROBNIC 3, Victoria PONS 2, Ginés VISCOR 1
1 Section of Physiology, Department of Cellular Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain; 2 Department pf Physiology and Nutrition, Centre d’Alt Rendiment (CAR), Barcelona, Spain; 3 Medical Services Shenhua Greenland FC, Shanghai, China
BACKGROUND: Swimmers have larger lungs and a higher diffusion capacity than other athletes, but it remains unknown whether swimming exercise changes lung diffusing properties. This study aimed to evaluate modifications in pulmonary alveolar-capillary diffusion after swimming exercise.
METHODS: The participants were 21 elite level swimmers, including 7 females and 14 males, with a training volume of 45-70 kilometers of swimming per week. The single-breath method was used to measure the lung diffusing capacity for carbon monoxide (DLCO and the transfer coefficient of the lungs for carbon monoxide (K
RESULTS: Swimming training consistently decreased lung diffusion capacity during the follow-up period, both DL
CONCLUSIONS: Elite swimmers experience a subclinical impairment in lung diffusing capacity after swimming exercise, but the stress caused by swimming on the lungs and the acute reduction in DL
KEY WORDS: Pulmonary diffusing capacity; Swimming; Respiratory physiological phenomena; Pulmonary edema; Carbon monoxide