Research Topics
| R RossSummaryAffiliation: Queen's University Country: Canada Publications
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Publications
Exercise alone is an effective strategy for reducing obesity and related comorbiditiesR Ross
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Exerc Sport Sci Rev 28:165-70. 2000..Recent evidence counters the dogma that daily exercise produces only modest weight loss and suggests that exercise without diet restriction is an effective strategy for reducing obesity and related co-morbidities...- Abdominal adiposity and insulin resistance in obese menRobert Ross
School of Physical and Health Education, Division of Endocrinology and Metabolism, Queen s University, Kingston, Ontario, Canada, K7L 3N6
Am J Physiol Endocrinol Metab 282:E657-63. 2002..Subdivision of visceral and abdominal subcutaneous AT by MRI did not provide additional insight into the relationship between abdominal obesity and metabolic risk in obese men... - Advances in the application of imaging methods in applied and clinical physiologyR Ross
School of Physical and Health Education, Department of Medicine, Queen s University, K7L 3N6, Kingston, Ontario, Canada
Acta Diabetol 40:S45-50. 2003..These recent advances in the use of CT and MRI in body composition research are discussed with a focus on clinical applications... - Exercise-induced reduction in obesity and insulin resistance in women: a randomized controlled trialRobert Ross
School of Physical and Health Education, Department of Medicine, Division of Endocrinology and Metabolism, Queen s University, Kingston, Ontario, Canada
Obes Res 12:789-98. 2004..To determine the effects of equivalent diet- or exercise-induced weight loss and exercise without weight loss on subcutaneous fat, visceral fat, and insulin sensitivity in obese women... - Abdominal obesity, muscle composition, and insulin resistance in premenopausal womenRobert Ross
Department of Medicine, Division of Endocrinology and Metabolism, School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada K7L 3N6
J Clin Endocrinol Metab 87:5044-51. 2002..Subdivision of abdominal sc AT did not provide additional insight into the relationship between abdominal obesity and metabolic risk... - Cardiorespiratory fitness is associated with diminished total and abdominal obesity independent of body mass indexR Ross
School of Physical and Health Edcuation, Queen s University, Kingston, Ontario, Canada
Int J Obes Relat Metab Disord 27:204-10. 2003.... - Physical activity, total and regional obesity: dose-response considerationsR Ross
School of Physical and Health Education, Queen s University, Ontario, Canada
Med Sci Sports Exerc 33:S521-7; discussion S528-9. 2001..This review was undertaken to determine whether exercise-induced weight loss was associated with corresponding reductions in total, abdominal, and visceral fat in a dose-response manner... - Reduction in obesity and related comorbid conditions after diet-induced weight loss or exercise-induced weight loss in men. A randomized, controlled trialR Ross
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Ann Intern Med 133:92-103. 2000..The effects of exercise without weight loss on fat distribution and other risk factors are also unclear... - Effects of diet- and exercise-induced weight loss on visceral adipose tissue in men and womenR Ross
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Sports Med 24:55-64. 1997.... - Is abdominal fat preferentially reduced in response to exercise-induced weight loss?R Ross
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Med Sci Sports Exerc 31:S568-72. 1999..This review was undertaken to clarify whether abdominal fat is preferentially reduced consequent to weight loss induced by regular exercise... - Magnetic resonance imaging in human body composition research. From quantitative to qualitative tissue measurementR Ross
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Ann N Y Acad Sci 904:12-7. 2000.... - Response of total and regional lean tissue and skeletal muscle to a program of energy restriction and resistance exerciseR Ross
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Int J Obes Relat Metab Disord 19:781-7. 1995.... - Plasma leptin in moderately obese men: independent effects of weight loss and aerobic exerciseF S Thong
Department of Human Biology and Nutritional Sciences, University of Guelph, N1G 2W1, Kingston, Ontario, Canada K7L 3N6
Am J Physiol Endocrinol Metab 279:E307-13. 2000..We conclude that reduction in adipose tissue after weight loss results in a collateral decrease in circulating leptin, and exercise, independent of its effects on weight loss, has no profound influence on leptin secretion... 
Is the reduction of lower-body subcutaneous adipose tissue associated with elevations in risk factors for diabetes and cardiovascular disease?P M Janiszewski
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada, K7L 3N6
Diabetologia 51:1475-82. 2008....- Prevention and Reduction of Obesity through Active Living (PROACTIVE): rationale, design and methodsR Ross
School of Kinesiology and Health Studies, 69 Union Street, Queen s University, Kingston, Ontario, Canada K7L 3N6
Br J Sports Med 43:57-63. 2009..The purpose of this report is to present and discuss the rationale, design and methods of PROACTIVE... - Influence of sex on total and regional fat loss in overweight and obese men and womenJ L Kuk
School of Kinesiology and Health Science, Faculty of Health Science, York University, Toronto, Ontario, Canada
Int J Obes (Lond) 33:629-34. 2009.... - Does the relationship between waist circumference, morbidity and mortality depend on measurement protocol for waist circumference?R Ross
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
Obes Rev 9:312-25. 2008..Our findings suggest that WC measurement protocol has no substantial influence on the association between WC, all-cause and CVD mortality, CVD and diabetes... - Effects of an energy-restrictive diet with or without exercise on abdominal fat, intermuscular fat, and metabolic risk factors in obese womenIan Janssen
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Diabetes Care 25:431-8. 2002..The improvement in the metabolic profile was not enhanced by the addition of aerobic or resistance exercise. The findings reinforce the importance of diminished visceral fat in the treatment of insulin resistance... - Independent associations between liver fat, visceral adipose tissue, and metabolic risk factors in menKathleen P McMillan
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
Appl Physiol Nutr Metab 32:265-72. 2007..Both liver fat and visceral AT were associated with metabolic risk in men. However, when controlled for each other, visceral AT was the only independent associate of metabolic risk... - An exercise intervention without weight loss decreases circulating interleukin-6 in lean and obese men with and without type 2 diabetes mellitusMark J Dekker
Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada N1G 2W1
Metabolism 56:332-8. 2007.... - Low relative skeletal muscle mass (sarcopenia) in older persons is associated with functional impairment and physical disabilityIan Janssen
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
J Am Geriatr Soc 50:889-96. 2002..These observations provide strong support for the prevailing view that sarcopenia may be an important and potentially reversible cause of morbidity and mortality in older persons... - Visceral fat is an independent predictor of all-cause mortality in menJennifer L Kuk
School of Physical and Health Education, Queen's University, Kingston, Ontario K7L 3N6, Canada
Obesity (Silver Spring) 14:336-41. 2006..93; 1.15 to 3.23) was a significant predictor of mortality. DISCUSSION: Visceral fat is a strong, independent predictor of all-cause mortality in men... - The importance of waist circumference in the definition of metabolic syndrome: prospective analyses of mortality in menPeter T Katzmarzyk
School of Physical and Health Education, Queen s University, Kingston, ON K7L 3N6, Canada
Diabetes Care 29:404-9. 2006.... - Body mass index is inversely related to mortality in older people after adjustment for waist circumferenceIan Janssen
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
J Am Geriatr Soc 53:2112-8. 2005..To examine the individual and combined influence of body mass index (BMI) and waist circumference (WC) on mortality risk in older people... - Protocol for measurement of liver fat by computed tomographyLance E Davidson
School of Physical and Health Education, Division of Endocrinology and Metabolism, Department of Medicine, Queen's Univ, Kingston, Ontario, Canada K7L 3N6
J Appl Physiol 100:864-8. 2006..0 HU for liver and <3.5 HU for spleen. Acquisition of a single CT image at the T12-L1 level is a practical and reliable method for routine measurement of liver fat in research and clinical settings... - Waist circumference and abdominal adipose tissue distribution: influence of age and sexJennifer L Kuk
School of Physical and Health Education and the Department of Medicine, Division of Endocrinology and Metabolism, Queen's University, Kingston, Canada
Am J Clin Nutr 81:1330-4. 2005..05) in men than in women. CONCLUSIONS: There are significant sex differences in TAAT, VAT, and ASAT for a given WC. Furthermore, the relation between WC and VAT is substantially influenced by age... - Exercise without weight loss is an effective strategy for obesity reduction in obese individuals with and without Type 2 diabetesSoJung Lee
School of Physical and Health Education, Queen's Univ, Kingston, Ontario, Canada K7L 3N6
J Appl Physiol 99:1220-5. 2005..01) independent of groups. In conclusion, regular exercise without weight loss is associated with a substantial reduction in total and visceral fat and in skeletal muscle lipid in both obesity and T2D... - Physical activity in the treatment of obesity: beyond body weight reductionPeter M Janiszewski
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Appl Physiol Nutr Metab 32:512-22. 2007..Consideration is also given to the utility of physical activity with minimal or no weight loss in the treatment of obesity... - Body mass index and hip and thigh circumferences are negatively associated with visceral adipose tissue after control for waist circumferenceJennifer L Kuk
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada
Am J Clin Nutr 85:1540-4. 2007.... - Independent and opposite associations of hip and waist circumference with metabolic syndrome components and with inflammatory and atherothrombotic risk factors in overweight and obese womenPaulo M Rocha
Exercise and Health Laboratory, Faculty of Human Movement, Technical University of Lisbon, Estrada da Costa, 1495 688 Cruz Quebrada, Portugal
Metabolism 57:1315-22. 2008..Besides body mass index and WC screening relevance, HC can contribute to additionally predict health risk in overweight and obese women... 
Is weight loss the optimal target for obesity-related cardiovascular disease risk reduction?Robert Ross
Department of Medicine, Queen s University, Kingston, Ontario
Can J Cardiol 24:25D-31D. 2008..Failure to recognize the benefits of exercise independent of weight loss masks opportunities to counsel and educate patients whose sole criteria for gauging obesity reduction success is the bathroom scale...- Body mass index and waist circumference independently contribute to the prediction of nonabdominal, abdominal subcutaneous, and visceral fatIan Janssen
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Am J Clin Nutr 75:683-8. 2002..These observations reinforce the importance of using both BMI and WC in clinical practice... - Association between dietary fat intake, liver fat, and insulin sensitivity in sedentary, abdominally obese, older menJennifer L Kuk
School of Kinesiology and Health Studies, Queen s University, Kingston, ON, Canada
Appl Physiol Nutr Metab 33:239-45. 2008..In conclusion, liver fat is associated with dietary fat intake and alcohol consumption over 10 d, but not 1 d. Furthermore, dietary habits may influence the relationship between liver fat and insulin sensitivity... - Weight loss strategies for obese adults: personalized weight management program vs. standard careNuala M Byrne
School of Human Movement Studies, Queensland University of Technology, Victoria Park Road, Kelvin Grove, Q4059 Brisbane, Queensland, Australia
Obesity (Silver Spring) 14:1777-88. 2006.... - The relationship between cardiometabolic and hemostatic variables: influence of raceArlette Perry
Laboratory of Clinical and Applied Physiology, University of Miami, Coral Gables, FL 33124, USA
Metabolism 57:200-6. 2008..Our findings indicated the t-PA/PAI-1 complex to be the most global indicator of health risk in both WA and AA overweight/obese women... - Dose-dependent effects of testosterone on regional adipose tissue distribution in healthy young menLinda J Woodhouse
Division of Endocrinology, Metabolism, and Molecular Medicine, Charles R Drew University of Medicine and Science, Los Angeles, California 90059, USA
J Clin Endocrinol Metab 89:718-26. 2004..Conversely, elevating testosterone concentrations above baseline induces a greater loss of AT from the smaller, deeper intermuscular stores of the thigh... - Can EGCG reduce abdominal fat in obese subjects?Alison M Hill
ATN Centre for Metabolic Fitness, School of Health Sciences University of South Australia, GPO Box 2471, Adelaide, SA 5001, Australia
J Am Coll Nutr 26:396S-402S. 2007..To evaluate metabolic effects of epigallocatechin gallate (EGCG) supplementation when combined with a program of regular aerobic exercise in overweight/obese post-menopausal women... - Abdominal obesity, liver fat, and muscle composition in survivors of childhood acute lymphoblastic leukemiaPeter M Janiszewski
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada K7L 3N6
J Clin Endocrinol Metab 92:3816-21. 2007..Survivors of childhood acute lymphoblastic leukemia (ALL) become obese, and are at increased risk for morbidity and mortality post therapy... - Cardiorespiratory fitness attenuates metabolic risk independent of abdominal subcutaneous and visceral fat in menSoJung Lee
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada, K7L 3N6
Diabetes Care 28:895-901. 2005..06). CONCLUSIONS: High levels of CRF are associated with a substantial reduction in health risk for a given level of visceral and subcutaneous fat... - Caffeine ingestion is associated with reductions in glucose uptake independent of obesity and type 2 diabetes before and after exercise trainingSoJung Lee
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada, K7L 3N6
Diabetes Care 28:566-72. 2005..10). CONCLUSIONS: Caffeine consumption is associated with a substantial reduction in insulin-mediated glucose uptake independent of obesity, type 2 diabetes, and chronic exercise... - Waist circumference and not body mass index explains obesity-related health riskIan Janssen
Department of Community Health and Epidemiology, Queen's University, Kingston, Canada
Am J Clin Nutr 79:379-84. 2004..Thus, for a given WC value, overweight and obese persons and normal-weight persons have comparable health risks. However, when WC is dichotomized as normal or high, BMI remains a significant predictor of health risk... - Skeletal muscle cutpoints associated with elevated physical disability risk in older men and womenIan Janssen
Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
Am J Epidemiol 159:413-21. 2004.... - Cardiorespiratory fitness is associated with lower abdominal fat independent of body mass indexSuzy L Wong
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada K7L 3N6
Med Sci Sports Exerc 36:286-91. 2004..Accordingly, our observations reinforce the importance of regular physical activity in the prevention and reduction of obesity-related health risk independent of a corresponding reduction in body weight... - Application of simple anthropometry in the assessment of health risk: implications for the Canadian Physical Activity, Fitness and Lifestyle AppraisalIan Janssen
School of Physical and Health Education, Queen's University, Kingston, ON
Can J Appl Physiol 27:396-414. 2002..Consistent with this objective, when necessary we present original data to reinforce important concepts not suitably addressed in the literature... - Adipose tissue quantification by imaging methods: a proposed classificationWei Shen
Obesity Research Center, St Luke s Roosevelt Hospital and Institute of Human Nutrition, Columbia University College of Physicians and Surgeons, New York, New York 10025, USA
Obes Res 11:5-16. 2003..This analysis leads us to propose an updated classification of total body and regional adipose tissue, providing a well-defined basis for correlating imaging studies of specific adipose tissue depots with molecular processes... - Abdominal adipose tissue distribution and metabolic riskSuzy Wong
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Sports Med 33:709-26. 2003..When necessary, we present original data to reinforce important concepts not suitably addressed in the literature. We conclude with a consideration of proposed mechanisms that may link abdominal adiposity and metabolic risk... - Medium-chain triglycerides increase energy expenditure and decrease adiposity in overweight menMarie-Pierre St-Onge
School of Dietetics and Human Nutrition, McGill University, Ste-Anne-de-Bellevue, Quebec, Canada
Obes Res 11:395-402. 2003..Thus, MCTs may be considered as agents that aid in the prevention of obesity or potentially stimulate weight loss... - Does exercise without weight loss improve insulin sensitivity?Robert Ross
Diabetes Care 26:944-5. 2003 - Discrimination of health risk by combined body mass index and waist circumferenceChristopher I Ardern
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Obes Res 11:135-42. 2003..DISCUSSION: In women already at increased health risk because of an elevated BMI, the additional measurement of WC may help identify cardiovascular risk... - Visceral fat and liver fat are independent predictors of metabolic risk factors in menThanh-Binh Nguyen-Duy
School of Physical and Health Education, Department of Medicine, Queen's University, Kingston, Ontario, Canada K7L 3N6
Am J Physiol Endocrinol Metab 284:E1065-71. 2003..These observations reinforce the importance of visceral obesity in the pathogenesis of dyslipidemia in men, and they suggest that visceral AT and liver fat carry independent health risk... - Fitness alters the associations of BMI and waist circumference with total and abdominal fatIan Janssen
Department of Community Health and Epidemiology, Division of Endocrinology and Metabolism, Queen's University, Kingston, Ontario, Canada
Obes Res 12:525-37. 2004..DISCUSSION: These findings suggest that a reduction in total adiposity and abdominal fat may be a means by which CRF attenuates the health risk attributable to obesity as determined by BMI and WC... - Combination of BMI and Waist Circumference for Identifying Cardiovascular Risk Factors in WhitesShankuan Zhu
New York Obesity Research Center, St Luke s Roosevelt Hospital Center and Institute of Human Nutrition, College of Physicians and Surgeons, Columbia University, New York, USA
Obes Res 12:633-45. 2004..The present study sought to identify the combination of BMI and WC that has the strongest association with CVD risk factors in whites... - Metabolic syndrome, obesity, and mortality: impact of cardiorespiratory fitnessPeter T Katzmarzyk
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada
Diabetes Care 28:391-7. 2005..To determine in normal weight, overweight, and obese men the risk of all-cause and cardiovascular disease (CVD) mortality associated with the metabolic syndrome (MetS) and the influence of cardiorespiratory fitness (CRF)... - Relation between whole-body and regional measures of human skeletal muscleSo Jung Lee
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada
Am J Clin Nutr 80:1215-21. 2004..70, SEE = 8.7%). CONCLUSION: Although thigh measures of SM are better predictors of whole-body SM, a single image within the abdomen routinely used to estimate abdominal fat may also be a useful marker of whole-body SM... - Association of cardiorespiratory fitness, body mass index, and waist circumference to nonalcoholic fatty liver diseaseTimothy S Church
The Cooper Institute, Dallas, Texas, USA
Gastroenterology 130:2023-30. 2006..001 to .22). CONCLUSIONS: Fitness (inversely) and BMI (directly) were associated with the prevalence of NAFLD. However, these associations were attenuated when abdominal obesity was included in the statistical model... - Development of health-related waist circumference thresholds within BMI categoriesChris I Ardern
School of Physical and Health Education, Queen's University, Kingston, Ontario K7L 3N6, Canada
Obes Res 12:1094-103. 2004..In normal weight, overweight, obese I, and obese II+ patients, WC cut-offs of 90, 100, 110, and 125 cm in men and 80, 90, 105, and 115 cm in women, respectively, can be used to identify those at increased risk... - Liver fat is not a marker of metabolic risk in lean premenopausal womenJennifer L Kuk
School of Physical and Health Education, Department of Medicine, Queen's University, Kingston, Ontario, Canada
Metabolism 53:1066-71. 2004..Conversely, both visceral and the deep subcutaneous depot are determinants of metabolic risk in premenopausal woman despite the absence of obesity... - Body mass index, waist circumference, and health risk: evidence in support of current National Institutes of Health guidelinesIan Janssen
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada K7L 3N6
Arch Intern Med 162:2074-9. 2002..CONCLUSIONS: The National Institutes of Health cutoff points for WC help to identify those at increased health risk within the normal-weight, overweight, and class I obese BMI categories... - Interindividual variation in abdominal subcutaneous and visceral adipose tissue: influence of measurement siteSoJung Lee
School of Physical and Health Education, Queen's University, Kingston, Ontario, Canada K7L 3N6
J Appl Physiol 97:948-54. 2004..However, the ability to predict SAT and VAT mass by using single images obtained at the L4-L5, L4-L5 +5 cm, or L3-L4 levels is comparable... - Skeletal muscle lipid concentration quantified by magnetic resonance imagingBret H Goodpaster
Department of Medicine, 809 North MUH, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
Am J Clin Nutr 79:748-54. 2004..Skeletal muscle lipid is associated with obesity and type 2 diabetes and may be altered by diet, physical activity, and weight loss... - Does measurement site for visceral and abdominal subcutaneous adipose tissue alter associations with the metabolic syndrome?Jennifer L Kuk
School of Physical and Health Education, Queen s University, Kingston, Ontario, Canada K7L 3N6
Diabetes Care 29:679-84. 2006.... - Exercise in pregnancy and the postpartum periodGregory A L Davies
J Obstet Gynaecol Can 25:516-29. 2003..SPONSORS: This guideline has been jointly sponsored by the Society of Obstetricians and Gynaecologists of Canada and the Canadian Society for Exercise Physiology... - Duration of overweight and metabolic health risk in American men and womenIan Janssen
Department of Community Health and Epidemiology, Queen's University, Kingston, K7L 3N6, Ontario, Canada
Ann Epidemiol 14:585-91. 2004..CONCLUSIONS: The duration of overweight has a significant effect on obesity-related comorbidities in men and women... - Does waist circumference predict diabetes and cardiovascular disease beyond commonly evaluated cardiometabolic risk factors?Peter M Janiszewski
School of Kinesiology and Health Studies, Queen s University, Kingston, Ontario, Canada, K7L 3N6
Diabetes Care 30:3105-9. 2007..In response, we sought to determine whether WC predicts diabetes and cardiovascular disease (CVD) beyond that explained by BMI and commonly obtained cardiometabolic risk factors including blood pressure, lipoproteins, and glucose... - Behavioral risk factors in relation to visceral adipose tissue deposition in adolescent femalesAviva Must
Department of Public Health and Family Medicine, Tufts University School of Medicine, Boston, MA, USA
Int J Pediatr Obes 3:28-36. 2008..To characterize visceral adipose tissue (VAT) and subcutaneous abdominal adipose tissue (SAAT) deposition in girls over the pubertal period and to assess the influence of behavioral risk factors on their deposition...