notes-11-overweight-energy-balance

notes-11-overweight-energy-balance - What is the main...

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1 Body Mass Index (BMI) Weight (kg) / height (m) 2 Nature (genetics) •Identical twins and adoption studies •Stature (height) •Thrifty metabolism theory •Set point theory
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2 Nurture •Environment •Economics •Social norms Adult-onset obesity •Develops during adulthood •Increased ______ of adipocytes Hypertrophy Juvenile-onset obesity •Develops during infancy, childhood •Increased ______ of adipocytes Hyperplasia
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3 Body fat distribution •Upper-body (android) obesity __________ Testosterone Excess alcohol Excess high GI foods Body fat distribution •Lower-body (gynoid) obesity __________ Estrogen CONTENT REVIEW •Discuss “nature” vs. “nurture” with regard to obesity. •What is the set point theory? •What are the functions of thyroid hormone, leptin, and ghrelin?
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Unformatted text preview: What is the main difference between juvenile and adult-onset obesity? Describe the two types of body fat distribution (shape, health risks, gender). 4 Components of energy intake Thermic Effect of Food (TEF) Energy expended to digest food __________ __________ Resting Metabolic Rate (RMR) Minimum energy needed to maintain normal physiological function __________ of total kcal expended (?) 5 Physical Activity Energy expended to move _______ of daily energy expenditure (?) Mode, intensity, duration Positive impact on RMR Short term Long term CONTENT REVIEW What are the individual components of energy intake? Expenditure? What factors inFuence RMR? What is TE? What factors inFuence TE?...
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This note was uploaded on 09/28/2010 for the course IPHY 3420 at Colorado.

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notes-11-overweight-energy-balance - What is the main...

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