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- Title
Performing moderate to severe activity is safe and tolerable for healthy youth while wearing a cloth facemask.
- Authors
Marticorena, Felipe Miguel; Barreto, Gabriel Castanho; Guardieiro, Natália Mendes; Esteves, Gabriel Perri; Oliveira, Tamires Nunes; de Oliveira, Luana Farias; Pinto, Ana Lucia de Sá; Riani, Luiz; Prado, Danilo Mendes; Saunders, Bryan; Gualano, Bruno
- Abstract
Objective: To investigate if a cloth facemask could affect physiological and perceptual responses to exercise at distinct exercise intensities in healthy young individuals. Methods: Nine participants (sex, female/male: 6/3; age: 13±1 years; VO2peak: 44.5±5.5 mL/kg/min) underwent a progressive square-wave test at four intensities: (1) 80% of ventilatory anaerobic threshold (VAT), (2) VAT, and (3) 40% between VAT and V˙O2peak wearing a triple-layered cloth facemask or not. Participants then completed a final stage to exhaustion at a running speed equivalent to the maximum achieved during the cardio-respiratory exercise test (Peak). Physiological, metabolic, and perceptual measures were measured. Results: Mask did not affect spirometry (forced vital capacity, peak expiratory flow, forced expiratory volume; all p≥0.27), respiratory (inspiratory capacity, end-expiratory volume [EELV] to functional vital capacity ratio, EELV, respiratory frequency [Rf], tidal volume [VT], Rf/VT, end-tidal carbo dioxide pressure, ventilatory equivalent to carbon dioxide ratio; all p≥0.196), hemodynamic (heart rate, systolic and diastolic blood pressure; all p>0.41), ratings of perceived exertion (p = 0.04) or metabolic measures (lactate; p = 0.78) at rest or at any exercise intensity. Conclusions: This study shows that performing moderate to severe activity is safe and tolerable for healthy youth while wearing a cloth facemask. Trial registration: ClinicalTrials.gov: NCT04887714.
- Subjects
EXERCISE intensity; DIASTOLIC blood pressure; EXPIRATORY flow; FATIGUE (Physiology); RATE of perceived exertion; SYSTOLIC blood pressure
- Publication
PLoS ONE, 2023, Vol 17, Issue 3, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0282475