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44 results on '"Vagula, Mary"'

1. Cardiovascular Changes in Human Diving Reflex Based on Student-Collected Data in a Physiology Lab Course

Author

Liu, He and Vagula, Mary

Abstract

In this study, we analyzed data of heart rate and pulse amplitude collected by undergraduate students in a physiology lab course during and after the diving reflex. On average, heart rate was reduced 21% at 15 seconds and 29% at 30 seconds during diving. Pulse amplitude generally decreased but with greater individual variation. There is no difference in the heart rate decrease seen between male and female subjects. Athletes started with slightly lower heart rate but showed the same response as non-athletes during diving. This study provides some variations on the typical diving reflex laboratory activity that could be used with students studying the physiological regulation of cardiac function.

Published
2021

2. Teaching Acid-Base Homeostasis Using Collaborative, Problem-Based Learning and Human Patient Simulators in a Physiology Laboratory

Author

Vagula, Mary and Liu, He

Abstract

Students find it hard to understand acid-base homeostasis and the mechanisms involved in compensating for acid-base imbalances, including the role of the lungs and kidneys in this process. We have developed a laboratory activity based on collaborative problem-based learning and human patient simulators (HPSs) to teach this topic. Students (n=50) were divided into small groups and presented with five cases of acid-base imbalances simulated in HPSs. After recording various parameters including arterial blood gases, they collaborated in identifying the specific acid-base imbalance. An anonymous survey following the laboratory activity revealed that this laboratory improved their understanding of acid-base regulation (92%), improved quantitative understanding of acid-base physiology (90%), and improved understanding of acid-base imbalances (94%).

Published
2018

3. Commentaries on Viewpoint: Using V̇<scp>o</scp>2max as a marker of training status in athletes – can we do better?

Author

Valenzuela, Pedro L, Mateo-March, Manuel, Muriel, Xabier, Zabala, Mikel, Lucia, Alejandro, Barranco-Gil, David, Millet, Grégoire P, Brocherie, Franck, Burtscher, Johannes, Burtscher, Martin, Ryan, Benjamin J, Gioscia-Ryan, Rachel A, Perrey, Stephane, Rodrigo-Carranza, Víctor, González-Mohíno, Fernando, González-Ravé, José María, Santos-Concejero, Jordan, Denadai, Benedito S, Greco, Camila C, Casado, Arturo, Foster, Carl, Mazzolari, Raffaele, Baldrighi, Giulia Nicole, Pastorio, Elisa, Malatesta, Davide, Patoz, Aurélien, Borrani, Fabio, Ives, Stephen J, DeBlauw, Justin A, Dantas de Lucas, Ricardo, Borszcz, Fernando Klitzke, Fernandes Nascimento, Eduardo Marcel, Antonacci Guglielmo, Luiz Guilherme, Turnes, Tiago, Jaspers, Richard T, van der Zwaard, Stephan, Lepers, Romuald, Louis, Julien, Meireles, Anderson, de Souza, Hiago L. R., de Oliveira, Géssyca T, dos Santos, Marcelo P, Arriel, Rhaí A, Marocolo, Moacir, Hunter, B, Meyler, S, Muniz-Pumares, D, Ferreira, Renato M, Sogard, Abigail S, Carter, Stephen J, Mickleborough, Timothy D, Saborosa, Guilherme Pereira, de Oliveira Freitas, Raphael Dinalli, Alves dos Santos, Paula Souza, de Souza Ferreira, João Pedro, de Assis Manoel, Francisco, da Silva, Sandro Fernandes, Triska, Christoph, Karsten, Bettina, Sanders, Dajo, Lipksi, Elliot S, Spindler, David J, Hesselink, Matthijs K. C., Zacca, Rodrigo, Goethel, Márcio Fagundes, Pyne, David Bruce, Wood, Brayden M, Allen, Peyton E, Gabelhausen, Jaden L, Keller, Alexandra M, Lige, Mast T, Oumsang, Alicia S, Smart, Greg L, Paris, Hunter L, Dewolf, Arthur H, Toffoli, Guillaume, Martinez-Gonzalez, Borja, Marcora, Samuele M, Terson de Paleville, Daniela, Fernandes, Ricardo J, Soares, Susana M, Abraldes, J. Arturo, Matta, Guilherme, Bossi, Arthur Henrique, McCarthy, D G, Bostad, W, Gibala, J, Vagula, Mary, UCL - SSS/IONS/COSY - Systems & cognitive Neuroscience, RS: NUTRIM - R1 - Obesity, diabetes and cardiovascular health, Nutrition and Movement Sciences, Physiology, AMS - Rehabilitation & Development, AMS - Tissue Function & Regeneration, AMS - Musculoskeletal Health, and AMS - Sports

Subjects
Athletes, Physiology, Physiology (medical), Physical Endurance, Humans
Abstract

Comments on a publication

Published
2022

22. Comments on Point:Counterpoint: High altitude is/is not for the birds!

Author

Casey, Darren P., Imray, Christopher H. E., Wilson, Mark H., Flouris, Andreas D., Carrillo, Andres E., Tedjasaputra, Vincent, Hopkins, Susan R., Birchard, Geoffrey F., Billat, Veronique, West, John B., Vagula, Mary C., Nelatury, Charles, Bennet, Laura, Gasier, Heath G., Gunga, Hanns-Christian, Egginton, Stuart, and Kumar, Prem

Subjects
LETTERS to the editor, INFLUENCE of altitude, BIRDS, HYPOXEMIA, PHYSIOLOGY
Abstract

Several letters to the editor on whether high altitude is or is not for the birds and hypoxia published in an issue of the "Journal of Applied Physiology" are presented.

Published
2011
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28. GC-MS analysis of polybrominated diphenyl ethers in Lake Erie

Author

Vagula, Mary C., Vartak, Marissa, and Tallmadge, Weslene

Abstract

Lake Erie is one of the five great lakes of North America. It is the shallowest, the warmest, and the most biologically productive of the Great Lakes producing more fish than all of the other four lakes combined. It is also a source of drinking water for 11 million people and a recreational asset. On the flipside, it is also very vulnerable and troubled with environmental challenges because it has the smallest water volume, but the greatest pressures from the human settlement. One of the many issues faced by the Lake is pollution. It receives larger loads of many pollutants than any other Great Lake. Even with the best pollution controls many pesticides and organohalogens continue to enter the lake. Polybrominated diphenyl ethers (PBDEs) are a class of flame-retardants that have been used in a variety of consumer products since the 1970s. They are added to many commercial and household products such as computers, foam mattresses, carpets, etc. Being largely non-polar and chemically stable, these chemicals are extremely lipophilic and resist degradation in the environment, thus giving them a high affinity for their bioaccumulation. Due to these properties PBDEs have become ubiquitous environmental contaminants. These compounds are reported to be endocrine disruptors and could cause oxidative damage. This report presents the sample preparation protocol, the GC-MS analysis of PBDEs in Lake Erie sediment samples.

Published
2012
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31. DECOMPRESSION SICKNESS IN BREATH-HOLD DIVERS.

Author

Vagula, Mary C.

Subjects
DECOMPRESSION sickness, DEEP diving, BREATH holding
Abstract

A letter to the editor is presented in response to an article on occurrence of Decompression Sickness in breath-hold divers, published in a previous issue.

Published
2016
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32. THE EXPRESS NEED FOR ACCURATELY MEASURING THE PHYSICAL ACTIVITY.

Author

Vagula, Mary C.

Subjects
LETTERS to the editor, PHYSICAL fitness
Abstract

A letter to the editor is presented in response to the article "Viewpoint: Expending Our Physical Activity (Measurement) Budget Wisely," by L. H. Colbert and D. A. Schoeller in a 2011 issue.

Published
2011

33. ANOTHER VOICE IN SUPPORT OF COOL THINKING.

Author

Vagula, Mary C. and Nelatury, Charles F.

Subjects
LETTERS to the editor, FEVER
Abstract

A letter to the editor is presented in response to the article "Point: Humans Do Demonstrate Selective Brain Cooling During Hyperthermia."

Published
2011

34. Commentaries on Viewpoint: Using V̇o 2max as a marker of training status in athletes - can we do better?

Author

Valenzuela PL, Mateo-March M, Muriel X, Zabala M, Lucia A, Barranco-Gil D, Millet GP, Brocherie F, Burtscher J, Burtscher M, Ryan BJ, Gioscia-Ryan RA, Perrey S, Rodrigo-Carranza V, González-Mohíno F, González-Ravé JM, Santos-Concejero J, Denadai BS, Greco CC, Casado A, Foster C, Mazzolari R, Baldrighi GN, Pastorio E, Malatesta D, Patoz A, Borrani F, Ives SJ, DeBlauw JA, Dantas de Lucas R, Borszcz FK, Fernandes Nascimento EM, Antonacci Guglielmo LG, Turnes T, Jaspers RT, van der Zwaard S, Lepers R, Louis J, Meireles A, de Souza HLR, de Oliveira GT, dos Santos MP, Arriel RA, Marocolo M, Hunter B, Meyler S, Muniz-Pumares D, Ferreira RM, Sogard AS, Carter SJ, Mickleborough TD, Saborosa GP, de Oliveira Freitas RD, Alves dos Santos PS, de Souza Ferreira JP, de Assis Manoel F, da Silva SF, Triska C, Karsten B, Sanders D, Lipksi ES, Spindler DJ, Hesselink MKC, Zacca R, Goethel MF, Pyne DB, Wood BM, Allen PE, Gabelhausen JL, Keller AM, Lige MT, Oumsang AS, Smart GL, Paris HL, Dewolf AH, Toffoli G, Martinez-Gonzalez B, Marcora SM, Terson de Paleville D, Fernandes RJ, Soares SM, Abraldes JA, Matta G, Bossi AH, McCarthy DG, Bostad W, Gibala J, and Vagula M

Subjects
Humans, Athletes, Physical Endurance
Published
2022
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35. Commentaries on Point:Counterpoint: Investigators should/should not control for menstrual cycle phase when performing studies of vascular control.

Author

Giersch GEW, Charkoudian N, Pereira T, Edgell H, Freeberg KA, Craighead DH, Neill M, Allison EY, Zapcic AK, Smith KJ, Bock JM, Casey DP, Shenouda N, Ranadive SM, Tremblay JC, Williams AM, Simpson LL, Meah VL, Ruediger SL, Bailey TG, Pereira HM, Lei TH, Perry B, Mündel T, Freemas JA, Worley ML, Baranauskas MN, Carter SJ, Johnson BD, Schlader ZJ, Bates LC, Stoner L, Zieff G, Poles J, Adams N, Meyer ML, Hanson ED, Greenlund IM, Bigalke JA, Carter JR, Kerr ZY, Stanford K, Pomeroy A, Boggess K, de Souza HLR, Meireles A, Arriel RA, Leite LHR, Marocolo M, Chapman CL, Atencio JK, Kaiser BW, Comrada LN, Halliwill JR, Minson CT, Williams JS, Dunford EC, MacDonald MJ, Santisteban KJ, Larson EA, Reed E, Needham KW, Gibson BM, Gillen J, Barbosa TC, Cardoso LLY, Gliemann L, Tamariz-Ellemann A, Hellsten Y, DuBos LE, Babcock MC, Moreau KL, Wickham KA, Vagula M, Moir ME, Klassen SA, and Rodrigues A

Subjects
Female, Humans, Follicular Phase, Menstrual Cycle
Published
2020
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36. Commentaries on Viewpoint: V̇o 2peak is an acceptable estimate of cardiorespiratory fitness but not V̇o 2max .

Author

Azevedo P, Bhammar DM, Babb TG, Bowen TS, Witte KK, Rossiter HB, Brugniaux JV, Perry BD, Dantas de Lucas R, Turnes T, Sabino-Carvalho JL, Lopes TR, Zacca R, Fernandes RJ, McKie GL, Hazell TJ, Helal L, da Silveira AD, McNulty CR, Roberg RA, Nightingale TE, Alrashidi AA, Mashkovskiy E, Krassioukov A, Clos P, Laroche D, Pageaux B, Poole DC, Jones AM, Schaun GZ, de Souza DS, de Oliveira Barreto Lopes T, Vagula M, Zuo L, and Zhao T

Subjects
Oxygen Consumption, Physical Fitness, Cardiorespiratory Fitness
Published
2018
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37. Commentaries on Viewpoint: Resistance training and exercise tolerance during high-intensity exercise: moving beyond just running economy and muscle strength.

Author

Bertuzzi R, Gáspari AF, Trojbicz LR, Silva-Cavalcante MD, Lima-Silva AE, Billaut F, Girard O, Millet GP, Bossi AH, Hopker J, Pandeló DR Jr, Fulton TJ, Paris HL, Chapman RF, Grosicki GJ, Murach KA, Hureau TJ, Dufour SP, Favret F, Kruse NT, Nicolò A, Sacchetti M, Pedralli M, Pinheiro FA, Tricoli V, Brietzke C, Pires FO, Sandford GN, Pearson S, Kilding AE, Ross A, Laursen PB, da Silveira ALB, Olivares EL, de Azevedo Cruz Seara F, Miguel-dos-Santos R, Mesquita TRR, Nelatury S, and Vagula M

Subjects
Exercise, Exercise Tolerance, Humans, Muscle Strength, Resistance Training, Running
Published
2018
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41. Comments on Point:Counterpoint: Hypobaric hypoxia induces/does not induce different responses from normobaric hypoxia.

Author

Girard O, Koehle MS, MacInnis MJ, Guenette JA, Koehle MS, Verges S, Rupp T, Jubeau M, Perrey S, Millet GY, Chapman RF, Levine BD, Conkin J, Wessel JH 3rd, Nespoulet H, Wuyam B, Tamisier R, Verges S, Levy P, Casey DP, Taylor BJ, Snyder EM, Johnson BD, Laymon AS, Stickford JL, Weavil JC, Loeppky JA, Pun M, Schommer K, Bartsch P, Vagula MC, and Nelatury CF

Subjects
Animals, Humans, Chemoreceptor Cells metabolism, Hypoxia physiopathology, Oxygen metabolism
Published
2012
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43. Comments on point: counterpoint: high altitude is/is not for the birds!

Author

Casey DP, Imray CH, Wilson MH, Flouris AD, Carrillo AE, Tedjasaputra V, Hopkins SR, Birchard GF, Billat V, West JB, Vagula MC, Nelatury C, Bennet L, Gasier HG, Gunga HC, Egginton S, and Kumar P

Subjects
Animals, Female, Male, Altitude, Artiodactyla physiology, Embryo, Nonmammalian blood supply, Erythrocytes metabolism, Geese blood, Hemoglobins metabolism, Oxygen blood
Published
2011
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44. Comments on point:counterpoint: humans do/do not demonstrate selective brain cooling during hyperthermia.

Author

Crandall CG, Brothers RM, Zhang R, Brengelmann GL, Covaciu L, Jay O, Cramer MN, Fuller A, Maloney SK, Mitchell D, Romanovsky AA, Caputa M, Nordström CH, Reinstrup P, Nishiyasu T, Fujii N, Hayashi K, Tsuji B, Flouris AD, Cheung SS, Vagula MC, Nelatury CF, Choi JH, Shrivastava D, Gordon CJ, and Vaughan JT

Subjects
Animals, Cold Temperature, Humans, Body Temperature, Body Temperature Regulation, Brain physiopathology, Cerebrovascular Circulation, Fever physiopathology, Models, Neurological
Published
2011
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