User profiles for Ian Janssen
Ian JanssenQueen's University Verified email at queensu.ca Cited by 84321 |
Systematic review of the relationships between objectively measured physical activity and health indicators in school-aged children and youth
Moderate-to-vigorous physical activity (MVPA) is essential for disease prevention and health
promotion. Emerging evidence suggests other intensities of physical activity (PA), including …
promotion. Emerging evidence suggests other intensities of physical activity (PA), including …
[PDF][PDF] Physical activity of Canadian children and youth: accelerometer results from the 2007 to 2009 Canadian Health Measures Survey
RC Colley, D Garriguet, I Janssen, CL Craig… - Health …, 2011 - researchgate.net
… Colley, Didier Garriguet, Ian Janssen, Cora L. Craig, Janine Clarke and Mark S.
Tremblay … Colley, Didier Garriguet, Ian Janssen, Cora L. Craig, Janine Clarke and Mark S …
Tremblay … Colley, Didier Garriguet, Ian Janssen, Cora L. Craig, Janine Clarke and Mark S …
[HTML][HTML] Systematic review of the health benefits of physical activity and fitness in school-aged children and youth
I Janssen, AG LeBlanc - International journal of behavioral nutrition and …, 2010 - Springer
Background The purpose was to: 1) perform a systematic review of studies examining the
relation between physical activity, fitness, and health in school-aged children and youth, and 2…
relation between physical activity, fitness, and health in school-aged children and youth, and 2…
[PDF][PDF] Physical activity of Canadian adults: accelerometer results from the 2007 to 2009 Canadian Health Measures Survey.
RC Colley, D Garriguet, I Janssen, CL Craig… - Health …, 2011 - researchgate.net
Background Rising obesity rates and declining fitness levels have increased interest in
understanding what underlies these trends. This article presents the first directly measured data …
understanding what underlies these trends. This article presents the first directly measured data …
Estimation of skeletal muscle mass by bioelectrical impedance analysis
I Janssen, SB Heymsfield… - Journal of applied …, 2000 - journals.physiology.org
The purpose of this study was to develop and cross-validate predictive equations for estimating
skeletal muscle (SM) mass using bioelectrical impedance analysis (BIA). Whole body SM …
skeletal muscle (SM) mass using bioelectrical impedance analysis (BIA). Whole body SM …
Low relative skeletal muscle mass (sarcopenia) in older persons is associated with functional impairment and physical disability
I Janssen, SB Heymsfield… - Journal of the american …, 2002 - Wiley Online Library
OBJECTIVES: To establish the prevalence of sarcopenia in older Americans and to test the
hypothesis that sarcopenia is related to functional impairment and physical disability in older …
hypothesis that sarcopenia is related to functional impairment and physical disability in older …
[HTML][HTML] Skeletal muscle mass and distribution in 468 men and women aged 18–88 yr
I Janssen, SB Heymsfield… - Journal of applied …, 2000 - journals.physiology.org
We employed a whole body magnetic resonance imaging protocol to examine the influence
of age, gender, body weight, and height on skeletal muscle (SM) mass and distribution in a …
of age, gender, body weight, and height on skeletal muscle (SM) mass and distribution in a …
The healthcare costs of sarcopenia in the United States
I Janssen, DS Shepard, PT Katzmarzyk… - Journal of the …, 2004 - Wiley Online Library
Objectives: To estimate the healthcare costs of sarcopenia in the United States and to examine
the effect that a reduced sarcopenia prevalence would have on healthcare expenditures. …
the effect that a reduced sarcopenia prevalence would have on healthcare expenditures. …
[HTML][HTML] Waist circumference and not body mass index explains obesity-related health risk
Background The addition of waist circumference (WC) to body mass index (BMI; in kg/m 2 )
predicts a greater variance in health risk than does BMI alone; however, whether the reverse …
predicts a greater variance in health risk than does BMI alone; however, whether the reverse …
Reduction in obesity and related comorbid conditions after diet-induced weight loss or exercise-induced weight loss in men: a randomized, controlled trial
…, H Smith, A Paddags, R Hudson, I Janssen - Annals of internal …, 2000 - acpjournals.org
Background: The independent effects of diet- or exercise-induced weight loss on the reduction
of obesity and related comorbid conditions are not known. The effects of exercise without …
of obesity and related comorbid conditions are not known. The effects of exercise without …