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Ian Janssen
Researcher at Queen's University
Publications - 524
Citations - 58134
Ian Janssen is an academic researcher from Queen's University. The author has contributed to research in topics: Medicine & Body mass index. The author has an hindex of 98, co-authored 439 publications receiving 50230 citations. Previous affiliations of Ian Janssen include Northwestern University & Rush University Medical Center.
Papers
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Systematic review of the health benefits of physical activity and fitness in school-aged children and youth
Ian Janssen,Allana G. LeBlanc +1 more
TL;DR: A systematic review of studies examining the relation between physical activity, fitness, and health in school-aged children and youth found that even modest amounts of physical activity can have health benefits in high-risk youngsters (e.g., obese).
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Low relative skeletal muscle mass (sarcopenia) in older persons is associated with functional impairment and physical disability.
TL;DR: To establish the prevalence of sarc Openia in older Americans and to test the hypothesis that sarcopenia is related to functional impairment and physical disability in older persons is established.
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Skeletal muscle mass and distribution in 468 men and women aged 18–88 yr
TL;DR: It is indicated that men have more SM than women and that these gender differences are greater in the upper body.
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Waist circumference and not body mass index explains obesity-related health risk
TL;DR: WC, and not BMI, explains obesity-related health risk; 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.
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Reduction in Obesity and Related Comorbid Conditions after Diet-Induced Weight Loss or Exercise-Induced Weight Loss in Men: A Randomized, Controlled Trial
TL;DR: A randomized, controlled trial to determine the independent effect of diet-induced or exercise-induced weight loss on obesity and insulin resistance in moderately obese men found that exercise had no independent effect on insulin sensitivity.