FNH 250 Study Guide - Final Guide: Body Mass Index, Calipers, Dual-Energy X-Ray Absorptiometry

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Published on 21 Aug 2017
Body Mass Index (BMI) = kg/m^2
index of total body weight independent of height
doesn’t indicate how much body weight is fat
doesn’t indicate location of body fat
Healthy: 18.5-24.9
Healthy Body Weight nutritional assessment:
Anthropometric physical body
Biochemical blood & tissue
Clinical blood pressure
Dietary nutrients
Measures of Body Composition
a. Underwater Weighing (Hydrodensitometry)
b. Calipers
c. Bioelectrical Impedance Analysis (BIA)
d. Near Infrared Reactance
e. Isotope Dilution
Measures of Fat Distribution
a. Waist Circumference
b. Waist to Hip Ratio (Man and women: Apple and Pear)
Energy Intake
Energy Output
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Document Summary

Body mass index (bmi) = kg/m^2 index of total body weight independent of height: doesn"t indicate how much body weight is fat, doesn"t indicate location of body fat, healthy: 18. 5-24. 9. Healthy body weight nutritional assessment: anthropometric physical body, biochemical blood & tissue, clinical blood pressure, dietary nutrients. Measures of body composition: underwater weighing (hydrodensitometry, calipers, bioelectrical impedance analysis (bia, near infrared reactance, isotope dilution, dexa. Measures of fat distribution: waist circumference, waist to hip ratio (man and women: apple and pear) Energy output: bmr, pa, tef (thermic effect of food) 3500 kcal = (1 lb) of body fat. Hunger: inborn instinct, internal signal from hypothalamus releasing hormone. Hunger, satiation, and satiety: physiological influences, sensory influences, cognitive influences, post-ingestive influences, post-absorptive influences. Factors affecting bmr: age, growth, size (height and weight, body composition (proportion of lean tissue, physiological state (e. g. fever and temp in environment) Physical activity fitt principle frequency, intensity, time, type.

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