Works by Sigal, Ronald J.

Results: 131

Irisin and betatrophin responses to 9 h of passive heat exposure: Influence of age, hypertension, and type 2 diabetes.

Published in:

Physiological Reports, 2025, v. 13, n. 12, p. 1, doi. 10.14814/phy2.70411

By:

Garrett, Joel M.;
McCormick, James J.;
King, Kelli E.;
Meade, Robert D.;
Boulay, Pierre;
Sigal, Ronald J.;
O'Connor, Fergus K.;
Kenny, Glen P.

Publication type:

Article

Efficacy of a Multicomponent Physical Activity Intervention for Teachers With or At Risk of Type 2 Diabetes: The Support, Motivation, and Physical Activity Research for Teachers Health Randomized Controlled Trial.

Published in:

Journal of Physical Activity & Health, 2025, v. 22, n. 3, p. 334, doi. 10.1123/jpah.2024-0195

By:

Plotnikoff, Ronald C.;
Murphy, Maria;
Wilczynska, Magdalena;
Courneya, Kerry S.;
Brown, Wendy J.;
Sigal, Ronald J.;
Lubans, David R.

Publication type:

Article

Type 2 diabetes does not exacerbate body heat storage in older adults during brief, extreme passive heat exposure.

Published in:

2020

By:

Poirier, Martin P.;
Notley, Sean R.;
Boulay, Pierre;
Sigal, Ronald J.;
Friesen, Brian J.;
Malcolm, Janine;
Flouris, Andreas D.;
Kenny, Glen P.

Publication type:

Report

Screening criteria for increased susceptibility to heat stress during work or leisure in hot environments in healthy individuals aged 31-70 years.

Published in:

Temperature, 2018, v. 5, n. 1, p. 86, doi. 10.1080/23328940.2017.1381800

By:

Flouris, Andreas D.;
McGinn, Ryan;
Poirier, Martin P.;
Louie, Jeffrey C.;
Ioannou, Leonidas G.;
Tsoutsoubi, Lydia;
Sigal, Ronald J.;
Boulay, Pierre;
Hardcastle, Stephen G.;
Kenny, Glen P.

Publication type:

Article

Body temperature regulation in diabetes.

Published in:

Temperature, 2016, v. 3, n. 1, p. 119, doi. 10.1080/23328940.2015.1131506

By:

Kenny, Glen P.;
Sigal, Ronald J.;
McGinn, Ryan

Publication type:

Article

The BDNF Val66Met polymorphism and health‐related quality of life in youth with obesity.

Published in:

Physiological Reports, 2024, v. 12, n. 13, p. 1, doi. 10.14814/phy2.16140

By:

Goldfield, Gary S.;
Cameron, Jameason D.;
Sigal, Ronald J.;
Kenny, Glen P.;
Prud'homme, Denis;
Ngu, Mathew;
Alberga, Angela S.;
Doucette, Steve;
Goldfield, Diana B.;
Tulloch, Heather;
Thai, Helen;
Simas, Kevin R.;
Walsh, Jeremy

Publication type:

Article

Comparative Success of Recruitment Strategies for an Exercise Intervention Trial Among Women With Polycystic Ovary Syndrome: Observational Study.

Published in:

2021

By:

Benham, Jamie L;
Booth, Jane E;
Friedenreich, Christine M;
Rabi, Doreen M;
Sigal, Ronald J

Publication type:

journal article

Screen time is associated with depressive symptomatology among obese adolescents: a HEARTY study.

Published in:

2016

By:

Goldfield, Gary;
Murray, Marisa;
Maras, Danijela;
Wilson, Angela;
Phillips, Penny;
Kenny, Glen;
Hadjiyannakis, Stasia;
Alberga, Angela;
Cameron, Jameason;
Tulluch, Heather;
Sigal, Ronald;
Goldfield, Gary S;
Wilson, Angela L;
Kenny, Glen P;
Cameron, Jameason D;
Sigal, Ronald J

Publication type:

journal article

Screen time is independently associated with health-related quality of life in overweight and obese adolescents.

Published in:

2015

By:

Goldfield, Gary S.;
Cameron, Jameason D.;
Murray, Marisa;
Maras, Danijela;
Wilson, Angela L.;
Phillips, Penny;
Kenny, Glen P.;
Hadjiyannakis, Stasia;
Alberga, Angela S.;
Tulloch, Heather;
Doucette, Steve;
Sigal, Ronald J.

Publication type:

journal article

Changes in the Brain-Derived Neurotrophic Factor Are Associated with Improvements in Diabetes Risk Factors after Exercise Training in Adolescents with Obesity: The HEARTY Randomized Controlled Trial.

Published in:

Neural Plasticity, 2018, p. 1, doi. 10.1155/2018/7169583

By:

Walsh, Jeremy J.;
D’Angiulli, Amedeo;
Cameron, Jameason D.;
Sigal, Ronald J.;
Kenny, Glen P.;
Holcik, Martin;
Doucette, Steve;
Alberga, Angela S.;
Prud’homme, Denis;
Hadjiyannakis, Stasia;
Gunnell, Katie;
Goldfield, Gary S.

Publication type:

Article

Glucoregulation during and after Intense Exercise: Effects of β-Adrenergic Blockade in Subjects with Type 1 Diabetes Mellitus.

Published in:

Journal of Clinical Endocrinology & Metabolism, 1999, v. 84, n. 11, p. 3961, doi. 10.1210/jcem.84.11.6116

By:

SIGAL, RONALD J.;
FISHER, SIMON J.;
HALTER, JEFFREY B.;
VRANIC, MLADEN;
MARLISS, ERROL B.

Publication type:

Article

Codon 972 Polymorphism in the Insulin Receptor Substrate-l Gene, Obesity, and Risk of Noninsulin Dependent Diabetes Mellitus.

Published in:

Journal of Clinical Endocrinology & Metabolism, 1996, v. 81, n. 4, p. 1657, doi. 10.1210/jc.81.4.1657

By:

SIGAL, RONALD J.;
DORIA, ALESSANDRO;
WARRAM, JAMES H.;
KROLEWSKI, ANDRZEJ S.

Publication type:

Article

A lifestyle intervention or metformin prevented or delayed the onset of the metabolic syndrome in persons at risk: COMMENTARY.

Published in:

ACP Journal Club, 2005, v. 143, n. 3, p. 67, doi. 10.7326/acpjc-2005-143-3-067

By:

Sigal, Ronald J.

Publication type:

Article

COMMENTARY: Hemoglobin A<sub>1c</sub> levels were associated with increased cardiovascular disease and all-cause mortality in persons with and without diabetes.

Published in:

ACP Journal Club, 2005, v. 142, n. 2, p. 52, doi. 10.7326/acpjc-2005-142-2-052

By:

Sigal, Ronald J.

Publication type:

Article

Review: Metformin does not increase fatal or nonfatal lactic acidosis or blood lactate levels in type 2 diabetes mellitus.

Published in:

ACP Journal Club, 2002, v. 137, n. 3, p. 88, doi. 10.7326/acpjc-2002-137-3-088

By:

Sigal, Ronald J.

Publication type:

Article

Glucose management for exercise using continuous glucose monitoring: should sex and prandial state be additional considerations?

Published in:

2021

By:

Yardley, Jane E.;
Sigal, Ronald J.

Publication type:

Letter

Impaired whole-body heat loss in type 1 diabetes during exercise in the heat: a cause for concern?

Published in:

Diabetologia, 2019, v. 62, n. 6, p. 1087, doi. 10.1007/s00125-019-4858-5

By:

Notley, Sean R.;
Poirier, Martin P.;
Yardley, Jane E.;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Type 2 diabetes impairs vascular responsiveness to nitric oxide, but not the venoarteriolar reflex or post‐occlusive reactive hyperaemia in forearm skin.

Published in:

Experimental Dermatology, 2021, v. 30, n. 12, p. 1807, doi. 10.1111/exd.14408

By:

Fujii, Naoto;
McGarr, Gregory W.;
Amano, Tatsuro;
Nishiyasu, Takeshi;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Ageing attenuates muscarinic‐mediated sweating differently in men and women with no effect on nicotinic‐mediated sweating.

Published in:

Experimental Dermatology, 2019, v. 28, n. 8, p. 968, doi. 10.1111/exd.13878

By:

Fujii, Naoto;
McGarr, Gregory W.;
Nishiyasu, Takeshi;
Sigal, Ronald J.;
Boulay, Pierre;
Kenny, Glen P.

Publication type:

Article

Evaluating remission of type 2 diabetes using a metabolic intervention including fixed‐ratio insulin degludec and liraglutide: A randomized controlled trial.

Published in:

Diabetes, Obesity & Metabolism, 2024, v. 26, n. 12, p. 5600, doi. 10.1111/dom.15926

By:

Punthakee, Zubin;
Hall, Stephanie;
McInnes, Natalia;
Sherifali, Diana;
Tsiplova, Kate;
Kirabo, Faith R.;
Ransom, Thomas P. P.;
Harris, Stewart B.;
Lochnan, Heather A.;
Sigal, Ronald J.;
Ghosh, Mahua;
Spaic, Tamara;
Gerstein, Hertzel C.

Publication type:

Article

Diabetes remission and relapse following an intensive metabolic intervention combining insulin glargine/lixisenatide, metformin and lifestyle approaches: Results of a randomised controlled trial.

Published in:

Diabetes, Obesity & Metabolism, 2023, v. 25, n. 11, p. 3347, doi. 10.1111/dom.15234

By:

McInnes, Natalia;
Hall, Stephanie;
Lochnan, Heather A.;
Harris, Stewart B.;
Punthakee, Zubin;
Sigal, Ronald J.;
Hramiak, Irene;
Azharuddin, Mohammed;
Liutkus, Joanne F.;
Yale, Jean‐François;
Sultan, Farah;
Smith, Ada;
Otto, Rose E.;
Sherifali, Diana;
Liu, Yan Yun;
Gerstein, Hertzel C.

Publication type:

Article

At What Level of Heat Load Are Age-Related Impairments in the Ability to Dissipate Heat Evident in Females?

Published in:

PLoS ONE, 2015, v. 10, n. 3, p. 1, doi. 10.1371/journal.pone.0119079

By:

Stapleton, Jill M.;
Poirier, Martin P.;
Flouris, Andreas D.;
Boulay, Pierre;
Sigal, Ronald J.;
Malcolm, Janine;
Kenny, Glen P.

Publication type:

Article

Age-Related Decrements in Heat Dissipation during Physical Activity Occur as Early as the Age of 40.

Published in:

PLoS ONE, 2013, v. 8, n. 12, p. 1, doi. 10.1371/journal.pone.0083148

By:

Larose, Joanie;
Boulay, Pierre;
Sigal, Ronald J.;
Wright, Heather E.;
Kenny, Glen P.

Publication type:

Article

Video Game Playing Is Independently Associated with Blood Pressure and Lipids in Overweight and Obese Adolescents.

Published in:

PLoS ONE, 2011, v. 6, n. 11, p. 1, doi. 10.1371/journal.pone.0026643

By:

Goldfield, Gary S.;
Kenny, Glen P.;
Hadjiyannakis, Stasia;
Phillips, Penny;
Alberga, Angela S.;
Saunders, Travis J.;
Tremblay, Mark S.;
Malcolm, Janine;
Prud'homme, Denis;
Gougeon, Rejeanne;
Sigal, Ronald J.

Publication type:

Article

Depressive symptoms, perceived stress, self-efficacy, and outcome expectations: Predict fitness among adolescents with obesity.

Published in:

Journal of Health Psychology, 2020, v. 25, n. 6, p. 798, doi. 10.1177/1359105317734039

By:

Tulloch, Heather;
Heenan, Adam;
Sweet, Shane;
Goldfield, Gary S;
Kenny, Glen P;
Alberga, Angela S;
Sigal, Ronald J

Publication type:

Article

Self-determination and Exercise Stages of Change: Results from the Diabetes Aerobic and Resistance Exercise Trial.

Published in:

2012

By:

Fortier, Michelle S.;
Sweet, Shane N.;
Tulloch, Heather;
Blanchard, Chris M.;
Sigal, Ronald J.;
Kenny, Glen P.;
Reid, Robert D.

Publication type:

Journal Article

Effects of pedestal-mounted electric fans on self-reported symptoms and mood-state in older adults exposed to indoor overheating during a simulated heatwave: an exploratory analysis.

Published in:

Applied Physiology, Nutrition & Metabolism, 2025, v. 50, p. 1, doi. 10.1139/apnm-2024-0461

By:

O'Connor, Fergus K.;
McGarr, Gregory W.;
Harris-Mostert, Roberto C.;
Boulay, Pierre;
Sigal, Ronald J.;
Meade, Robert D.;
Kenny, Glen P.

Publication type:

Article

The effect of foot immersion and neck cooling on cardiac autonomic function in older adults exposed to indoor overheating: a randomized crossover trial.

Published in:

Applied Physiology, Nutrition & Metabolism, 2024, v. 49, n. 12, p. 1773, doi. 10.1139/apnm-2024-0126

By:

McCourt, Emma R.;
Meade, Robert D.;
Richards, Brodie J.;
Koetje, Nicholas J.;
Santucci, Nicholas B.;
McCormick, James J.;
Boulay, Pierre;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Exploring the contribution of inter-individual factors to the development of physiological heat strain in older adults exposed to simulated indoor overheating.

Published in:

Applied Physiology, Nutrition & Metabolism, 2024, v. 49, n. 9, p. 1252, doi. 10.1139/apnm-2024-0135

By:

Meade, Robert D.;
Akerman, Ashley P.;
Notley, Sean R.;
Kirby, Nathalie V.;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Greater hyperthermia in men with type 2 diabetes does not lead to higher serum levels of cellular stress biomarkers following exercise-heat stress.

Published in:

Applied Physiology, Nutrition & Metabolism, 2024, v. 49, n. 6, p. 874, doi. 10.1139/apnm-2023-0599

By:

Goulet, Nicholas;
Tetzlaff, Emily J.;
McCormick, James J.;
King, Kelli E.;
Janetos, Kristina-Marie T.;
Sigal, Ronald J.;
Boulay, Pierre;
Kenny, Glen P.

Publication type:

Article

Effect of daylong exposure to indoor overheating on autophagy and the cellular stress response in older adults.

Published in:

Applied Physiology, Nutrition & Metabolism, 2024, v. 49, n. 6, p. 855, doi. 10.1139/apnm-2023-0361

By:

McCormick, James J.;
Meade, Robert D.;
King, Kelli E.;
Akerman, Ashley P.;
Notley, Sean R.;
Kirby, Nathalie V.;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Screen time is independently associated with serum brain-derived neurotrophic factor (BDNF) in youth with obesity.

Published in:

Applied Physiology, Nutrition & Metabolism, 2021, v. 46, n. 9, p. 1083, doi. 10.1139/apnm-2020-0756

By:

Goldfield, Gary S.;
Cameron, Jameason D.;
Sigal, Ronald J.;
Kenny, Glen P.;
Holcik, Martin;
Prud'homme, Denis;
Guerin, Eva;
Alberga, Angela S.;
D'Angiulli, Amedeo;
Tremblay, Mark S.;
Mougharbel, Fatima;
Walsh, Jeremy

Publication type:

Article

Effect of exercise-heat acclimation on cardiac autonomic modulation in type 2 diabetes: a pilot study.

Published in:

Applied Physiology, Nutrition & Metabolism, 2021, v. 46, n. 3, p. 284, doi. 10.1139/apnm-2020-0785

By:

Macartney, Michael J.;
Notley, Sean R.;
Herry, Christophe L.;
Sigal, Ronald J.;
Boulay, Pierre;
Kenny, Glen P.

Publication type:

Article

Blunted circulating irisin in adults with type 1 diabetes during aerobic exercise in a hot environment: a pilot study.

Published in:

Applied Physiology, Nutrition & Metabolism, 2020, v. 45, n. 6, p. 679, doi. 10.1139/apnm-2019-0624

By:

McCormick, James J.;
Notley, Sean R.;
Yardley, Jane E.;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Interindividual variability and individual responses to exercise training in adolescents with obesity.

Published in:

Applied Physiology, Nutrition & Metabolism, 2020, v. 45, n. 1, p. 45, doi. 10.1139/apnm-2019-0088

By:

Walsh, Jeremy J.;
Bonafiglia, Jacob T.;
Goldfield, Gary S.;
Sigal, Ronald J.;
Kenny, Glen P.;
Doucette, Steve;
Hadjiyannakis, Stasia;
Alberga, Angela S.;
Prud'homme, Denis;
Gurd, Brendon J.

Publication type:

Article

Effect of P2 receptor blockade on cutaneous vasodilation during rest and exercise in the heat in young men.

Published in:

Applied Physiology, Nutrition & Metabolism, 2018, v. 43, n. 3, p. 312, doi. 10.1139/apnm-2017-0700

By:

Fujii, Naoto;
Meade, Robert D.;
Louie, Jeffrey C.;
Akbari, Pegah;
Boulay, Pierre;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Increasing age is a major risk factor for susceptibility to heat stress during physical activity.

Published in:

Applied Physiology, Nutrition & Metabolism, 2017, v. 42, n. 11, p. 1232, doi. 10.1139/apnm-2017-0322

By:

McGinn, Ryan;
Poirier, Martin P.;
Louie, Jeffrey C.;
Sigal, Ronald J.;
Boulay, Pierre;
Flouris, Andreas D.;
Kenny, Glen P.

Publication type:

Article

Effects of aerobic or resistance training or both on health-related quality of life in youth with obesity: the HEARTY Trial.

Published in:

Applied Physiology, Nutrition & Metabolism, 2017, v. 42, n. 4, p. 361, doi. 10.1139/apnm-2016-0386

By:

Goldfield, Gary S.;
Kenny, Glen P.;
Alberga, Angela S.;
Tulloch, Heather E.;
Doucette, Steve;
Cameron, Jameason D.;
Sigal, Ronald J.

Publication type:

Article

Does exercise training affect resting metabolic rate in adolescents with obesity?

Published in:

Applied Physiology, Nutrition & Metabolism, 2017, v. 42, n. 1, p. 15, doi. 10.1139/apnm-2016-0244

By:

Alberga, Angela S.;
Prud'homme, Denis;
Sigal, Ronald J.;
Goldfield, Gary S.;
Hadjiyannakis, Stasia;
Gougeon, Réjeanne;
Phillips, Penny;
Malcolm, Janine;
Wells, George A.;
Doucette, Steve;
Ma, Jinhui;
Kenny, Glen P.

Publication type:

Article

Body composition and energy intake - skeletal muscle mass is the strongest predictor of food intake in obese adolescents: The HEARTY trial.

Published in:

Applied Physiology, Nutrition & Metabolism, 2016, v. 41, n. 6, p. 611, doi. 10.1139/apnm-2015-0479

By:

Cameron, Jameason D.;
Sigal, Ronald J.;
Kenny, Glen P.;
Alberga, Angela S.;
Prud'homme, Denis;
Phillips, Penny;
Doucette, Steve;
Goldfield, Gary

Publication type:

Article

Effects of aerobic training, resistance training, or both on cardiorespiratory and musculoskeletal fitness in adolescents with obesity: the HEARTY trial.

Published in:

Applied Physiology, Nutrition & Metabolism, 2016, v. 41, n. 3, p. 255, doi. 10.1139/apnm-2015-0413

By:

Alberga, Angela S.;
Prud'homme, Denis;
Sigal, Ronald J.;
Goldfield, Gary S.;
Hadjiyannakis, Stasia;
Phillips, Penny;
Malcolm, Janine;
Ma, Jinhui;
Doucette, Steve;
Gougeon, Rejeanne;
Wells, George A.;
Kenny, Glen P.

Publication type:

Article

Assessment of the MyWellness Key accelerometer in people with type 2 diabetes.

Published in:

Applied Physiology, Nutrition & Metabolism, 2015, v. 40, n. 11, p. 1193, doi. 10.1139/apnm-2015-0169

By:

McGinley, Samantha Kate;
Armstrong, Marni J.;
Khandwala, Farah;
Zanuso, Silvano;
Sigal, Ronald J.

Publication type:

Article

Do older adults experience greater thermal strain during heat waves?

Published in:

Applied Physiology, Nutrition & Metabolism, 2014, v. 39, n. 3, p. 292, doi. 10.1139/apnm-2013-0317

By:

Stapleton, Jill M.;
Larose, Joanie;
Simpson, Christina;
Flouris, Andreas D.;
Sigal, Ronald J.;
Kenny, Glen P.

Publication type:

Article

Performing resistance exercise before versus after aerobic exercise influences growth hormone secretion in type 1 diabetes.

Published in:

Applied Physiology, Nutrition & Metabolism, 2014, v. 39, n. 2, p. 262, doi. 10.1139/apnm-2013-0329

By:

Yardley, Jane E.;
Sigal, Ronald J.;
Riddell, Michael C.;
Perkins, Bruce A.;
Kenny, Glen P.

Publication type:

Article

Performing Resistance Exercise Prior to Aerobic Exercise Results in Higher Growth Hormone Levels during Exercise in Physically Active Individuals with Well‐Controlled Type 1 Diabetes.

Published in:

FASEB Journal, 2013, v. 27, p. 712.29, doi. 10.1096/fasebj.27.1_supplement.712.29

By:

Yardley, Jane Elizabeth;
Sigal, Ronald J.;
Perkins, Bruce A.;
Riddell, Michael C.;
Kenny, Glen P.

Publication type:

Article

Acute Postchallenge Hyperinsulinemia Predicts Weight Gain.

Published in:

Diabetes, 1997, v. 46, n. 6, p. 1025, doi. 10.2337/diab.46.6.1025

By:

Sigal, Ronald J.;
El-Hashimy, Mona;
Martin, Blaise C.;
Soeldner, J. Stuart;
Krolewski, Andrzej S.;
Warram, James H.

Publication type:

Article

The Roles of Catecholamines in Glucoregulation in Intense Exercise as Defined by the Islet Cell Clamp Technique.

Published in:

Diabetes, 1996, v. 45, n. 2, p. 148, doi. 10.2337/diab.45.2.148

By:

Sigal, Ronald J.;
Fisher, Simon;
Halter, Jeffrey B.;
Vranic, Mladen;
Marliss, Errol B.

Publication type:

Article

The recommended Threshold Limit Values for heat exposure fail to maintain body core temperature within safe limits in older working adults.

Published in:

Journal of Occupational & Environmental Hygiene, 2017, v. 14, n. 9, p. 703, doi. 10.1080/15459624.2017.1321844

By:

Lamarche, Dallon T.;
Meade, Robert D.;
D'Souza, Andrew W.;
Flouris, Andreas D.;
Hardcastle, Stephen G.;
Sigal, Ronald J.;
Boulay, Pierre;
Kenny, Glen P.

Publication type:

Article

Glycaemic patterns during breastfeeding with postpartum use of closed-loop insulin delivery in women with type 1 diabetes.

Published in:

Diabetologia, 2024, v. 67, n. 10, p. 2154, doi. 10.1007/s00125-024-06227-z

By:

Donovan, Lois E.;
Bell, Rhonda C.;
Feig, Denice S.;
Lemieux, Patricia;
Murphy, Helen R.;
Sigal, Ronald J.;
Ho, Josephine;
Virtanen, Heidi;
Crawford, Susan;
Yamamoto, Jennifer M.

Publication type:

Article

Prevalence of and risk factors for excess weight gain in pregnancy: a cross-sectional study using survey data.

Published in:

CMAJ Open, 2021, v. 9, n. 4, p. E1168, doi. 10.9778/cmajo.20200276

By:

Benham, Jamie L.;
Booth, Jane E.;
Donovan, Lois E.;
Leung, Alexander A.;
Sigal, Ronald J.;
Rabi, Doreen M.

Publication type:

Article