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Chapter Six - Maintaining a Healthy Weight (Eating Disorders (anorexia…
Chapter Six - Maintaining a Healthy Weight
Terms
Desirable Weight: weight range deemed appropriate for people
Overweight: person's excess fat exceeds desirable weight by 1%-19%
Obesity: a person's body weight is 20% or above desirable weight
Obesity and Disease
Problems
surgical risk
hypertension
heart disease
arthritis
stroke
type 2 diabetes
cancer
joint problems
Causes
calorie imbalance
energy variables
metabolism
activity
thermic effect of food
genetic
physological and hormonal factors
metabolic factors
family, social, cultural
environmental
psychological
Body-Image: subjective perception of how body appears to oneself and others
Measuring and Assessing Weight
BMI
weight / (height)^2
normal: 18.5-24.9
overweight: 25-29.9
obese: >30
extreme obese: >40
height/weight tables
waist/hip measurements
appearance
home scale
body fat measurement
Men: Normal = 10-15%
Obese = >25%
Women: Normal = 22-25%
Obese = >30%
Electrical Independence: Electrical current calculate body fat %
Bod Pod: Measure of air displacement to determine body fat %
Skinfold measurement: Measurement of thickness of the fat layer
Hydrostatic weighting: Weighing the body while it is submerged in water
Weight Management Strategies
balanced diet
physical acitivty
sleep
lifestyle
Specific
dieting
low-cal foods
controlled fasting
formal program
Weight loss drugs
surgical
gastric bypass
gastric band
cosmetic
Eating Disorders
anorexia nervosa
fear of weight gain
distorted body image
Women: absence of 3 more more periods
Men: decreased sex hormone
bulimia nervosa
binge eating 2 or more times
lack of control
purging
over concern with body weight
binge eating disorder
chewing syndrome
night eating syndrome
body dysmorphic disorder
preoccupied with slight flaw in one's appearance
bigorexia
obsession with getting bigger and more muscular
body never muscular enough