Publications by authors named "Geoff B Coombs"

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Eight weeks of post-exercise local heating does not improve cognition and plasma brain-derived neurotrophic factor concentrations.
Jem L Cheng, Geoff B Coombs, Christina Pizzola, Keira Mattook, Calvin Armstrong

Exp Physiol· December 2025

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Reduction in respiratory muscle strength following a series of preparatory and maximal static, dry breath-holds.
Colin D Hubbard, Dario Vrdoljak, Geoff B Coombs, Troy J Cross, Bryan J Taylor

J Appl Physiol (1985)· November 2025

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Whole-body hot water immersion effect on cerebral haemodynamics and subsequent cerebrovascular reactivity to carbon dioxide.
Samuel F Leaney, Ester Tommasini, Guto W Hughes, Alison M Shepherd, Nyah D Kingdon, Geoff B Coombs

Exp Physiol· October 2025

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Navigating the brain: How cerebral blood flow shifts with task complexity.
Laura K Fitzgibbon-Collins, Mamiko Noguchi, Geoff B Coombs, Richard L Hughson, Corey Guest

PLoS One· October 2025

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Reply to: 'Cerebral blood flow with exogenous ketosis: The full picture?'.
Aedan J Rourke, Claudia M S Yong, Geoff B Coombs, Addriana R Odisho, Jenna A Nash

J Physiol· August 2025

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Muscle oxygenation and local blood volume difference between intercostal and deltoid during dry static apnea in breath-hold divers.
Dario Vrdoljak, Željko Dujić, Colin D Hubbard, Geoff B Coombs, Andrew T Lovering

Respir Physiol Neurobiol· July 2025

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Acute ketone monoester ingestion lowers resting cerebral blood flow: a randomized cross-over trial.
Aedan J Rourke, Claudia M S Yong, Geoff B Coombs, Addriana R Odisho, Jenna A Nash

J Physiol· May 2025

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New evidence for baroreflex and respiratory chemoreflex-mediated cerebral sympathetic activation in humans.
Michael M Tymko, Audrey Drapeau, Maria Augusta Vieira-Coelho, Lawrence Labrecque, Sarah Imhoff, Geoff B Coombs

J Appl Physiol (1985)· February 2025

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Respiratory muscle strength pre- and post-maximal apneas in a world champion breath-hold diver.
Joseph W Duke, Colin D Hubbard, Dario Vrdoljak, Geoff B Coombs, Andrew T Lovering

J Appl Physiol (1985)· January 2025

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Acute isometric and dynamic exercise do not alter cerebral sympathetic nerve activity in healthy humans.
Michael M Tymko, Audrey Drapeau, Maria Augusta Vieira-Coelho, Lawrence Labrecque, Sarah Imhoff, Geoff B Coombs

J Cereb Blood Flow Metab· October 2024

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Effects of single- and bilateral limb immersion on systemic and cerebral hemodynamic responses to the cold pressor test.
Elric Y Allison, Yixue Mei, Geoff B Coombs, Vanessa Mizzi, Huseyn Ismayilov

J Appl Physiol (1985)· October 2024

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No influence of steady-state postural changes on cerebrovascular compliance in humans.
Alicia M Kells, M Erin Moir, Geoff B Coombs, Andrew W D'Souza, Stephen A Klassen

Appl Physiol Nutr Metab· September 2024

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Thermal physiology without borders: taking a small step out of the lab for big picture results.
Geoff B Coombs, Nicholas Ravanelli

J Appl Physiol (1985)· June 2024

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Standing middle cerebral artery velocity predicts cognitive function and gait speed in older adults with cognitive impairment, and is impacted by sex differences.
Laura K Fitzgibbon-Collins, Geoff B Coombs, Mamiko Noguchi, Shashankdhwaj Parihar, Richard L Hughson

Cereb Circ Cogn Behav· January 2024

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Age- and sex-related differences in sympathetic vascular transduction and neurohemodynamic balance in humans.
Andrew W D'Souza, Sarah L Hissen, Kazumasa Manabe, Ryosuke Takeda, Takuro Washio, Geoff B Coombs

Am J Physiol Heart Circ Physiol· October 2023

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Impact of ischemic heart disease and cardiac rehabilitation on cerebrovascular compliance.
Geoff B Coombs, Baraa K Al-Khazraji, Neville Suskin, J Kevin Shoemaker

J Appl Physiol (1985)· October 2023

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Hemoglobin and cerebral hypoxic vasodilation in humans: Evidence for nitric oxide-dependent and -nitrosothiol mediated signal transduction.
Ryan L Hoiland, David B MacLeod, Benjamin S Stacey, Hannah G Caldwell, Connor A Howe, Geoff B Coombs

J Cereb Blood Flow Metab· September 2023

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The interactive effects of age and sex on the neuro-cardiovascular responses during fatiguing rhythmic handgrip exercise.
Andrew W D'Souza, Ryosuke Takeda, Kazumasa Manabe, Sarah L Hissen, Takuro Washio, Geoff B Coombs

J Physiol· July 2023

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Differential Expression of Vascular-Related MicroRNA in Circulating Endothelial Microvesicles in Adults With Spinal Cord Injury: A Pilot Study.
Andrew J Park, Hannah K Fandl, Vinicius P Garcia, Geoff B Coombs, Noah M DeSouza

Top Spinal Cord Inj Rehabil· May 2023

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Cerebral O and CO transport in isovolumic haemodilution: Compensation of cerebral delivery of O and maintenance of cerebrovascular reactivity to CO.
Jay Mjr Carr, Philip N Ainslie, David B MacLeod, Joshua C Tremblay, Daniela Nowak-Flück, Geoff B Coombs

J Cereb Blood Flow Metab· January 2023

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Common carotid artery responses to the cold-pressor test are impaired in individuals with cervical spinal cord injury.
Zoe K Sarafis, Jordan W Squair, Otto F Barak, Geoff B Coombs, Jan Elaine Soriano

Am J Physiol Heart Circ Physiol· December 2022

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Global Research Expedition on Altitude-related Chronic Health 2018 Iron Infusion at High Altitude Reduces Hypoxic Pulmonary Vasoconstriction Equally in Both Lowlanders and Healthy Andean Highlanders.
Alexander Patrician, Tony Dawkins, Geoff B Coombs, Benjamin Stacey, Christopher Gasho

Chest· April 2022

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Passive leg cycling increases activity of the cardiorespiratory system in people with tetraplegia.
Jan Elaine Soriano, Rinaldo Romac, Jordan W Squair, Otto F Barak, Zoe K Sarafis, Geoff B Coombs

Appl Physiol Nutr Metab· March 2022

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Global Reach 2018: Nitric oxide-mediated cutaneous vasodilation is reduced in chronic, but not acute, hypoxia independently of enzymatic superoxide formation.
Geoff B Coombs, John D Akins, Jordan C Patik, Gustavo A Vizcardo-Galindo, Romulo Figueroa-Mujica

Free Radic Biol Med· August 2021

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Temporal changes in pulmonary gas exchange efficiency when breath-hold diving below residual volume.
Alexander Patrician, Boris Spajić, Christopher Gasho, Hannah G Caldwell, Tony Dawkins, Geoff B Coombs

Exp Physiol· April 2021

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