Oxygen Consumption

Reduced blood flow through intrapulmonary arteriovenous anastomoses during exercise in lowlanders acclimatizing to high altitude.
What is the central question of this study? The aim was to determine, using the technique of agitated saline contrast echocardiography, …
Lindsey M Boulet, Andrew T Lovering, Michael M Tymko, Trevor A Day, Mike Stembridge, Trang Anh Nguyen, Philip N Ainslie, Glen E Foster
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Exercise-induced quadriceps muscle fatigue in men and women: effects of arterial oxygen content and respiratory muscle work
KEY POINTS: High work of breathing and exercise-induced arterial hypoxaemia (EIAH) can decrease O2 delivery and exacerbate …
Paolo B. Dominelli, Yannick Molgat-Seon, Donald E. G. Griesdale, Carli M. Peters, Jean-Sébastien Blouin, Mypinder Sekhon, Giulio S. Dominelli, William R. Henderson, Glen E. Foster, Lee M. Romer, Michael S. Koehle, A. William Sheel
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Oxygen cost of exercise hyperpnoea is greater in women compared with men
KEY POINTS: The oxygen cost of breathing represents a significant fraction of total oxygen uptake during intense exercise. At a given …
Paolo B. Dominelli, Jacqueline N. Render, Yannick Molgat-Seon, Glen E. Foster, Lee M. Romer, A. William Sheel
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Precise mimicking of exercise hyperpnea to investigate the oxygen cost of breathing
The oxygen cost of exercise hyperpnea (V˙(O2 RM)) has been quantified using a variety of techniques with inconsistent findings. …
P. B. Dominelli, J. N. Render, Y. Molgat-Seon, G. E. Foster, A. W. Sheel
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Pulmonary mechanics and gas exchange during exercise in Kenyan distance runners
PURPOSE: The purpose of this study was to determine arterial blood gases, the mechanical limits for generating expiratory flow and the …
Glen E. Foster, Michael S. Koehle, Paolo B. Dominelli, Francis M. Mwangi, Vincent O. Onywera, Michael K. Boit, Joshua C. Tremblay, Chepleting Boit, A. William Sheel
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Exercise-induced arterial hypoxaemia and the mechanics of breathing in healthy young women
The purpose of this study was to characterize exercise-induced arterial hypoxaemia (EIAH), pulmonary gas exchange and respiratory …
Paolo B. Dominelli, Glen E. Foster, Giulio S. Dominelli, William R. Henderson, Michael S. Koehle, Donald C. McKenzie, A. William Sheel
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Repeated exercise-induced arterial hypoxemia in a healthy untrained woman
A healthy 36-year-old untrained (maximal oxygen consumption (V(O2max)): 39 mL/kg/min) woman completed multiple graded exercise tests on …
Paolo B. Dominelli, Glen E. Foster, Giulio S. Dominelli, Jordan S. Querido, William R. Henderson, Michael S. Koehle, A. William Sheel
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Exercise-induced intrapulmonary arteriovenous shunt in healthy women.
The purpose of this study was to determine if healthy young women of various aerobic fitness levels are vulnerable to intrapulmonary …
Jill M Kennedy, Glen E Foster, Michael S Koehle, James E Potts, George G S Sandor, M Terri Potts, Kristin M Houghton, William R Henderson, A William Sheel
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Determinants of expiratory flow limitation in healthy women during exercise
PURPOSE: Expiratory flow limitation (EFL) can occur in healthy young women during exercise. We questioned whether the occurrence and …
Paolo B. Dominelli, Jordan A. Guenette, Sabrina S. Wilkie, Glen E. Foster, A. William Sheel
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Entrainment of breathing in cyclists and non-cyclists during arm and leg exercise.
The purpose of this study was to compare the incidence of entrainment of breathing (ENT) between cyclists (C; n=8) and non-cyclists …
Ben C Sporer, Glen E Foster, A William Sheel, Donald C McKenzie
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