NUTR 1010 Lecture Notes - Lecture 11: Lean Body Mass, Bioelectrical Impedance Analysis, Basal Metabolic Rate

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29 Mar 2016
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Appropriate for your age and physical development. Can be achieved and sustained without constant dieting. Based on genetic background and family history of body shape and weight. Define the 3 disorders associated with energy intake obesity, and their health risks. Underweight (bmi < 18. 5) : too little body fat to maintain health. Overweight (bmi 25-29. 9): moderate amount of excess body fat. Obesity: excess body fat that adversely effects health: class 1: 30-35, class 2: 35-40, class 3: 40+ 3 methods used to assess body composition or risk for overweight. Body composition: ratio of body fat: lean body mass. Underwater weighing: person exhales while underwater and their weight is measured, fairly accurate, cheap, limitations: requires special equipment. Bod pod: air displacement, person sits in egg shaped chamber, measures how much air is displaced, strengths: easy for person measured, no trained technician required, limitations: expensive, less accurate.

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