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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? What is the main difference between
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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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