Works by Kowalchuk, John M

Results: 39

Coupling of V˙E and V˙CO2 kinetics: insights from multiple exercise transitions below the estimated lactate threshold.

Published in:

European Journal of Applied Physiology, 2023, v. 123, n. 3, p. 509, doi. 10.1007/s00421-022-05073-4

By:

Ward, Alexandra M. M.;
Guluzade, Nasimi A.;
Kowalchuk, John M.;
Keir, Daniel A.

Publication type:

Article

Adaptations in Capillarization and Citrate Synthase Activity in Response to Endurance Training in Older and Young Men.

Published in:

Journals of Gerontology Series A: Biological Sciences & Medical Sciences, 2011, v. 66A, n. 9, p. 957, doi. 10.1093/gerona/glr096

By:

Murias, Juan M.;
Kowalchuk, John M.;
Ritchie, Darmyn;
Hepple, Russell T.;
Doherty, Timothy J.;
Paterson, Donald H.

Publication type:

Article

Hyperventilation-induced hypocapnic alkalosis slows the adaptation of pulmonary O2 uptake during the transition to moderate-intensity exercise.

Published in:

Journal of Physiology, 2007, v. 583, n. 1, p. 351, doi. 10.1113/jphysiol.2007.132837

By:

Chin, Lisa M. K.;
Leigh, Ryan J.;
Heigenhauser, George J. F.;
Rossiter, Harry B.;
Paterson, Donald H.;
Kowalchuk, John M.

Publication type:

Article

Slowed muscle oxygen uptake kinetics with raised metabolism are not dependent on blood flow or recruitment dynamics.

Published in:

Journal of Physiology, 2014, v. 592, n. 8, p. 1857, doi. 10.1113/jphysiol.2013.267476

By:

Wüst, Rob C. I.;
McDonald, James R.;
Sun, Yi;
Ferguson, Brian S.;
Rogatzki, Matthew J.;
Spires, Jessica;
Kowalchuk, John M.;
Gladden, L. Bruce;
Rossiter, Harry B.

Publication type:

Article

Cerebral blood flow responses to changes in oxygen and carbon dioxide in humans.

Published in:

Canadian Journal of Physiology & Pharmacology, 2002, v. 80, n. 8, p. 819, doi. 10.1139/y02-105

By:

Vovk, Andrea;
Cunningham, David A.;
Kowalchuk, John M.;
Paterson, Donald H.;
Duffin, James

Publication type:

Article

Blunted Cardiac Autonomic Responsiveness to Hypoxemic Stress in Healthy Older Adults.

Published in:

Canadian Journal of Applied Physiology, 2003, v. 28, n. 4, p. 518, doi. 10.1139/h03-040

By:

Lucy, S. Deborah;
Kowalchuk, John M.;
Hughson, Richard L.;
Paterson, Donald H.;
Cunningham, David A.

Publication type:

Article

Using ramp-incremental V̇O2 responses for constant-intensity exercise selection.

Published in:

Applied Physiology, Nutrition & Metabolism, 2018, v. 43, n. 9, p. 882, doi. 10.1139/apnm-2017-0826

By:

Keir, Daniel A.;
Paterson, Donald H.;
Kowalchuk, John M.;
Murias, Juan M.

Publication type:

Article

Prolonged moderate-intensity exercise oxygen uptake response following heavy-intensity priming exercise with short- and longer-term recovery.

Published in:

2013

By:

Spencer, Matthew D.;
Keir, Daniel A.;
Nederveen, Joshua P.;
Murias, Juan M.;
Kowalchuk, John M.;
Paterson, Donald H.

Publication type:

Journal Article

Prolonged moderate-intensity exercise oxygen uptake response following heavy-intensity priming exercise with short- and longer-term recovery.

Published in:

Applied Physiology, Nutrition & Metabolism, 2013, v. 38, n. 5, p. 566, doi. 10.1139/apnm-2012-0244

By:

Spencer, Matthew D.;
Keir, Daniel A.;
Nederveen, Joshua P.;
Murias, Juan M.;
Kowalchuk, John M.;
Paterson, Donald H.

Publication type:

Article

Moderate and heavy oxygen uptake kinetics in postmenopausal women.

Published in:

Applied Physiology, Nutrition & Metabolism, 2009, v. 34, n. 6, p. 1065, doi. 10.1139/H09-107

By:

Stathokostas, Liza;
Kowalchuk, John M.;
Petrella, Robert J.;
Paterson, Donald H.

Publication type:

Article

Maximal and submaximal aerobic fitness in postmenopausal women: influence of hormone-replacement therapy.

Published in:

Applied Physiology, Nutrition & Metabolism, 2008, v. 33, n. 5, p. 922, doi. 10.1139/H08-070

By:

Stathokostas, Liza;
Kowalchuk, John M.;
Petrella, Robert J.;
Paterson, Donald H.

Publication type:

Article

Effects of ageing on muscle O2 utilization and muscle oxygenation during the transition to moderate-intensity exercise.

Published in:

Applied Physiology, Nutrition & Metabolism, 2007, v. 32, n. 6, p. 1251, doi. 10.1139/H07-121

By:

DeLorey, Darren S.;
Paterson, Donald H.;
Kowalchuk, John M.

Publication type:

Article

Pulmonary O₂ uptake kinetics during moderate-intensity exercise transitions initiated from low versus elevated metabolic rates: insights from manipulations in cadence.

Published in:

2014

By:

Keir, Daniel A;
Nederveen, Joshua P;
Paterson, Donald H;
Kowalchuk, John M

Publication type:

journal article

Effect of acute hypoxia on muscle blood flow, VO₂p, and [HHb] kinetics during leg extension exercise in older men.

Published in:

2013

By:

Zerbini, Livio;
Spencer, Matthew D;
Grey, Tyler M;
Murias, Juan M;
Kowalchuk, John M;
Schena, Federico;
Paterson, Donald H

Publication type:

journal article

Effect of moderate-intensity work rate increment on phase II τVO₂, functional gain and Δ[HHb].

Published in:

2013

By:

Spencer MD;
Murias JM;
Kowalchuk JM;
Paterson DH;
Spencer, Matthew D;
Murias, Juan M;
Kowalchuk, John M;
Paterson, Donald H

Publication type:

journal article

Muscle deoxygenation to VO₂ relationship differs in young subjects with varying τVO₂.

Published in:

2011

By:

Murias, Juan;
Spencer, Matthew;
Kowalchuk, John;
Paterson, Donald;
Murias, Juan M;
Spencer, Matthew D;
Kowalchuk, John M;
Paterson, Donald H

Publication type:

journal article

Pulmonary O₂ uptake and muscle deoxygenation kinetics are slowed in the upper compared with lower region of the moderate-intensity exercise domain in older men.

Published in:

2011

By:

Spencer, Matthew;
Murias, Juan;
Kowalchuk, John;
Paterson, Donald;
Spencer, Matthew D;
Murias, Juan M;
Kowalchuk, John M;
Paterson, Donald H

Publication type:

journal article

Are the parameters of VO2, heart rate and muscle deoxygenation kinetics affected by serial moderate-intensity exercise transitions in a single day?

Published in:

2011

By:

Spencer, Matthew;
Murias, Juan;
Lamb, Heather;
Kowalchuk, John;
Paterson, Donald;
Spencer, Matthew D;
Murias, Juan M;
Lamb, Heather P;
Kowalchuk, John M;
Paterson, Donald H

Publication type:

journal article

Speeding of VO2 kinetics in response to endurance-training in older and young women.

Published in:

2011

By:

Murias, Juan M.;
Kowalchuk, John M.;
Paterson, Donald H.

Publication type:

journal article

Differences in exercise limb blood flow and muscle deoxygenation with age: contributions to O2 uptake kinetics.

Published in:

2010

By:

duManoir, Gregory R.;
DeLorey, Darren S.;
Kowalchuk, John M.;
Paterson, Donald H.

Publication type:

journal article

Effects of ammonium chloride ingestion on phosphocreatine metabolism during moderate- and heavy-intensity plantar-flexion exercise.

Published in:

2010

By:

Churchward-Venne, Tyler A.;
Kowalchuk, John M.;
Marsh, Greg D.

Publication type:

journal article

Effect of hyperventilation and prior heavy exercise on O2 uptake and muscle deoxygenation kinetics during transitions to moderate exercise.

Published in:

2010

By:

Chin, Lisa M. K.;
Heigenhauser, George J. F.;
Paterson, Donald H.;
Kowalchuk, John M.

Publication type:

journal article

Kinetics of VO2 limb blood flow and regional muscle deoxygenation in young adults during moderate intensity, knee-extension exercise.

Published in:

2010

By:

duManoir, Gregory R.;
DeLorey, Darren S.;
Kowalchuk, John M.;
Paterson, Donald H.

Publication type:

journal article

Data analysis technique influences blood flow kinetics parameter estimates for moderate‐ and heavy‐intensity exercise transitions.

Published in:

Experimental Physiology, 2022, v. 107, n. 1, p. 82, doi. 10.1113/EP089834

By:

Love, Lorenzo K;
Hodgson, Michael D;
Keir, Daniel A;
Kowalchuk, John M.

Publication type:

Article

The influence of metabolic and circulatory heterogeneity on the expression of pulmonary oxygen uptake kinetics in humans.

Published in:

Experimental Physiology, 2016, v. 101, n. 1, p. 176, doi. 10.1113/EP085338

By:

Keir, Daniel A.;
Robertson, Taylor C.;
Benson, Alan P.;
Rossiter, Harry B.;
Kowalchuk, John M.

Publication type:

Article

Reply.

Published in:

Experimental Physiology, 2015, v. 100, n. 4, p. 476, doi. 10.1113/EP085155

By:

Keir, Daniel A.;
Murias, Juan M.;
Paterson, Donald H.;
Kowalchuk, John M.

Publication type:

Article

Breath-by-breath pulmonary O2 uptake kinetics: effect of data processing on confidence in estimating model parameters.

Published in:

Experimental Physiology, 2014, v. 99, n. 11, p. 1511, doi. 10.1113/expphysiol.2014.080812

By:

Keir, Daniel A.;
Murias, Juan M.;
Paterson, Donald H.;
Kowalchuk, John M.

Publication type:

Article

Effect of voluntary hyperventilation with supplemental CO2 on pulmonary O2 uptake and leg blood flow kinetics during moderate-intensity exercise.

Published in:

Experimental Physiology, 2013, v. 98, n. 12, p. 1668, doi. 10.1113/expphysiol.2013.074021

By:

Chin, Lisa M. K.;
HeigENhauser, George J. F.;
Paterson, Donald H.;
Kowalchuk, John M.

Publication type:

Article

Slowed oxygen uptake kinetics in hypoxia correlate with the transient peak and reduced spatial distribution of absolute skeletal muscle deoxygenation.

Published in:

Experimental Physiology, 2013, v. 98, n. 11, p. 1585, doi. 10.1113/expphysiol.2013.073270

By:

Bowen, T. Scott;
Rossiter, Harry B.;
Benson, Alan P.;
Amano, Tatsuro;
Kondo, Narihiko;
Kowalchuk, John M.;
Koga, Shunsaku

Publication type:

Article

A raised metabolic rate slows pulmonary O2 uptake kinetics on transition to moderate-intensity exercise in humans independently of work rate.

Published in:

Experimental Physiology, 2011, v. 96, n. 10, p. 1049, doi. 10.1113/expphysiol.2011.058321

By:

Bowen, T. Scott;
Murgatroyd, Scott R.;
Cannon, Daniel T.;
Cuff, Thomas J.;
Lainey, Allison F.;
Marjerrison, Andrea D.;
Spencer, Matthew D.;
Benson, Alan P.;
Paterson, Donald H.;
Kowalchuk, John M.;
Rossiter, Harry B.

Publication type:

Article

Retraction.

Published in:

2007

By:

DeLorey, Darren S.;
Kowalchuk, John M.;
DuManoir, Gregory R.;
Heenan, Aaron P.;
Paterson, Donald H.

Publication type:

Other

The effect of hypoxia on pulmonary O2 uptake, leg blood flow and muscle deoxygenation during single-leg knee-extension exercise.

Published in:

Experimental Physiology, 2004, v. 89, n. 3, p. 293, doi. 10.1113/expphysiol.2003.026864

By:

DeLorey, Darren S.;
Shaw, Colin N.;
Shoemaker, J. Kevin;
Kowalchuk, John M.;
Paterson, Donald H.

Publication type:

Article

The Effect of Resistive Breathing on Leg Muscle Oxygenation Using Near-Infrared Spectroscopy During Exercise in Men.

Published in:

Experimental Physiology, 2002, v. 87, n. 5, p. 601, doi. 10.1113/eph8702456

By:

Kowalchuk‡, John M.;
Rossiter, Harry B.;
Ward, Susan A.;
Whipp, Brian J.

Publication type:

Article

A comparison of modelling techniques used to characterise oxygen uptake kinetics during the on-transient of exercise.

Published in:

Experimental Physiology, 2001, v. 86, n. 5, p. 667, doi. 10.1113/eph8602150

By:

Bell, Christopher;
Paterson, Donald H.;
Kowalchuk, John M.;
Padilla, Javier;
Cunningham, David A.

Publication type:

Article

Determinants of oxygen uptake kinetics in older humans following single-limb endurance exercise training.

Published in:

Experimental Physiology, 2001, v. 86, n. 5, p. 659, doi. 10.1113/eph8602209

By:

Bell, Christopher;
Paterson, Donald H.;
Kowalchuk, John M.;
Moy, Andrew P.;
Thorp, David B.;
Noble, Earl G.;
Taylor, Albert W.;
Cunningham, David A.

Publication type:

Article

Changes in chemoreflex characteristics following acute carbonic anhydrase inhibition in humans at rest.

Published in:

Experimental Physiology, 2000, v. 85, n. 6, p. 847

By:

Vovk, Andrea;
Duffin, James;
Kowalchuk, John M.;
Paterson, Donald H.;
Cunningham, David A.

Publication type:

Article

Body position and cardiac dynamic and chronotropic responses to steady-state isocapnic hypoxaemia in humans.

Published in:

Experimental Physiology, 2000, v. 85, n. 2, p. 227

By:

Lucy, S. Deborah;
Hughson, Richard L.;
Kowalchuk, John M.;
Paterson, Donald H.;
Cunningham, David A.

Publication type:

Article

Breathing patterns during slow and fast ramp exercise in man.

Published in:

Experimental Physiology, 1999, v. 84, n. 1, p. 109

By:

Scheuermann, Barry W.;
Kowalchuk, John M.

Publication type:

Article

Identification of Non-Invasive Exercise Thresholds: Methods, Strategies, and an Online App.

Published in:

Sports Medicine, 2022, v. 52, n. 2, p. 237, doi. 10.1007/s40279-021-01581-z

By:

Keir, Daniel A.;
Iannetta, Danilo;
Mattioni Maturana, Felipe;
Kowalchuk, John M.;
Murias, Juan M.

Publication type:

Article

Works by Kowalchuk, John M

Coupling of V˙E and V˙CO2 kinetics: insights from multiple exercise transitions below the estimated lactate threshold.

Adaptations in Capillarization and Citrate Synthase Activity in Response to Endurance Training in Older and Young Men.

Hyperventilation-induced hypocapnic alkalosis slows the adaptation of pulmonary O<sub>2</sub> uptake during the transition to moderate-intensity exercise.

Slowed muscle oxygen uptake kinetics with raised metabolism are not dependent on blood flow or recruitment dynamics.

Cerebral blood flow responses to changes in oxygen and carbon dioxide in humans.

Blunted Cardiac Autonomic Responsiveness to Hypoxemic Stress in Healthy Older Adults.

Using ramp-incremental V̇O2 responses for constant-intensity exercise selection.

Prolonged moderate-intensity exercise oxygen uptake response following heavy-intensity priming exercise with short- and longer-term recovery.

Prolonged moderate-intensity exercise oxygen uptake response following heavy-intensity priming exercise with short- and longer-term recovery.

Moderate and heavy oxygen uptake kinetics in postmenopausal women.

Maximal and submaximal aerobic fitness in postmenopausal women: influence of hormone-replacement therapy.

Effects of ageing on muscle O<sub>2</sub> utilization and muscle oxygenation during the transition to moderate-intensity exercise.

Pulmonary O₂ uptake kinetics during moderate-intensity exercise transitions initiated from low versus elevated metabolic rates: insights from manipulations in cadence.

Effect of acute hypoxia on muscle blood flow, VO₂p, and [HHb] kinetics during leg extension exercise in older men.

Effect of moderate-intensity work rate increment on phase II τVO₂, functional gain and Δ[HHb].

Muscle deoxygenation to VO₂ relationship differs in young subjects with varying τVO₂.

Pulmonary O₂ uptake and muscle deoxygenation kinetics are slowed in the upper compared with lower region of the moderate-intensity exercise domain in older men.

Are the parameters of VO2, heart rate and muscle deoxygenation kinetics affected by serial moderate-intensity exercise transitions in a single day?

Speeding of VO2 kinetics in response to endurance-training in older and young women.

Differences in exercise limb blood flow and muscle deoxygenation with age: contributions to O2 uptake kinetics.

Effects of ammonium chloride ingestion on phosphocreatine metabolism during moderate- and heavy-intensity plantar-flexion exercise.

Effect of hyperventilation and prior heavy exercise on O2 uptake and muscle deoxygenation kinetics during transitions to moderate exercise.

Kinetics of VO2 limb blood flow and regional muscle deoxygenation in young adults during moderate intensity, knee-extension exercise.

Data analysis technique influences blood flow kinetics parameter estimates for moderate‐ and heavy‐intensity exercise transitions.

The influence of metabolic and circulatory heterogeneity on the expression of pulmonary oxygen uptake kinetics in humans.

Reply.

Breath-by-breath pulmonary O<sub>2</sub> uptake kinetics: effect of data processing on confidence in estimating model parameters.

Effect of voluntary hyperventilation with supplemental CO<sub>2</sub> on pulmonary O<sub>2</sub> uptake and leg blood flow kinetics during moderate-intensity exercise.

Slowed oxygen uptake kinetics in hypoxia correlate with the transient peak and reduced spatial distribution of absolute skeletal muscle deoxygenation.

A raised metabolic rate slows pulmonary O<sub>2</sub> uptake kinetics on transition to moderate-intensity exercise in humans independently of work rate.

Retraction.

The effect of hypoxia on pulmonary O<sub>2</sub> uptake, leg blood flow and muscle deoxygenation during single-leg knee-extension exercise.

The Effect of Resistive Breathing on Leg Muscle Oxygenation Using Near-Infrared Spectroscopy During Exercise in Men.

A comparison of modelling techniques used to characterise oxygen uptake kinetics during the on-transient of exercise.

Determinants of oxygen uptake kinetics in older humans following single-limb endurance exercise training.

Changes in chemoreflex characteristics following acute carbonic anhydrase inhibition in humans at rest.

Body position and cardiac dynamic and chronotropic responses to steady-state isocapnic hypoxaemia in humans.

Breathing patterns during slow and fast ramp exercise in man.

Identification of Non-Invasive Exercise Thresholds: Methods, Strategies, and an Online App.