Sex differences in the intensity and qualitative dimensions of exertional dyspnea in physically active young adults

Journal of Applied Physiology
Julia M CoryJordan A Guenette

Abstract

Understanding sex differences in the qualitative dimensions of exertional dyspnea may provide insight into why women are more affected by this symptom than men. This study explored the evolution of the qualitative dimensions of dyspnea in 70 healthy, young, physically active adults (35 M and 35 F). Participants rated the intensity of their breathing discomfort (Borg 0-10 scale) and selected phrases that best described their breathing from a standardized list (work/effort, unsatisfied inspiration, and unsatisfied expiration) throughout each stage of a symptom-limited incremental-cycle exercise test. Following exercise, participants selected phrases that described their breathing at maximal exercise from a list of 15 standardized phrases. Intensity of breathing discomfort was significantly higher in women for a given ventilation, but differences disappeared when ventilation was expressed as a percentage of maximum voluntary ventilation. The dominant qualitative descriptor in both sexes throughout exercise was increased work/effort of breathing. At peak exercise, women were significantly more likely to select the following phrases: "my breathing feels shallow," "I cannot get enough air in," "I cannot take a deep breath in," and "m...Continue Reading

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Citations

Jan 24, 2018·Journal of Applied Physiology·Yannick Molgat-SeonA William Sheel
Jun 18, 2016·Journal of Applied Physiology·Bradley S QuonJordan A Guenette
Apr 24, 2018·Medicine and Science in Sports and Exercise·Yannick Molgat-SeonA William Sheel
Jun 8, 2018·Journal of Applied Physiology·Linn E MooreMichael K Stickland
Oct 12, 2018·Journal of Applied Physiology·Joseph F WelchA William Sheel
Nov 6, 2018·American Journal of Physiology. Heart and Circulatory Physiology·Jordan A GuenetteJasmine Grewal
May 27, 2017·The European Respiratory Journal·Michele R SchaefferJordan A Guenette
May 27, 2017·The European Respiratory Journal·Magnus EkströmKjell Torén
Apr 2, 2019·American Journal of Physical Anthropology·Daniel García-MartínezYann Heuzé
Mar 1, 2019·Exercise and Sport Sciences Reviews·Paolo B DominelliA William Sheel
Aug 31, 2020·European Journal of Applied Physiology·Julia ZhangJordan A Guenette
Sep 24, 2020·The Journal of Physiology·Paul AnsdellStuart Goodall
Nov 4, 2020·European Journal of Applied Physiology·Hayley Lewthwaite, Dennis Jensen
Jan 27, 2021·Respiratory Physiology & Neurobiology·Hayley LewthwaiteDennis Jensen
Oct 15, 2021·Medicine and Science in Sports and Exercise·Devin B PhillipsUNKNOWN Canadian Respiratory Research Network

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