Foods and Nutrition 1021 Chapter Notes - Chapter 9: Body Mass Index, Food Energy, Dual-Energy X-Ray Absorptiometry
20 Apr 2017
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Chapter 9: energy balance & healthy body weight. 2004 cchs survey: children 2-17 yo - 18% overweight; 8% obese, adults 59% overweight; 23% obese, 1 of 5 children & adolescents is overweight. Body mass index (bmi: measure of underweight, normal weight, overweight & obesity (class i, class ii, class iii, calculated by dividing weight in kg by height in m2. Body composition: proportion of muscle, bone, fat, tissues that make up bw. Weight-for-height tables: easy to use, inexpensive, not accurate. Bmi: weight for height in people >20 years old; correlates with body fatness & degree of disease risk. Waist circumference (wc: visceral fatness in proportion to body fatness; indicator of health risk, ** men > 102 cm (40(cid:863)(cid:895) *, ** women >(cid:1012)(cid:1012) (cid:272)(cid:373) (cid:894)(cid:1007)(cid:1009)(cid:863)(cid:895) ** Perso(cid:374)(cid:859)s disease risk profile: risk factors such as htn (hypertension), type 2 dm, elevated blood cholesterol, smoking, alcoholic drinking.
