Chapter 13: Body Composition
Anorexia Nervosa
a serious eating disorder - a person severely restricts the amount of food he or she eats in an attempt to be exceptionally underfat
Body Composition
all the tissues that make up your body - Average Person = 15-25% of the body composition is fat tissue - 75-85% is lean body tissue
Bulimia
an eating disorder in which a person does binge eating, or eats very large amounts of food within a short period of time
Lean Tissue
includes muscles, bones, skin, and body organs such as the heart, liver kidneys, and lungs - muscle - organs - skin - bones
Essential Body Fat
minimum amount of body fatness; if fat levels in the body drop below this amount, health problems result
Anorexia Athletica
most common among athletes involved in sports such as gymnastics, wrestling, and cheerleading, in which a low body weight is desirable - excessive preoccupation with dieting and exercising for weight loss
Female Body Fat (teenage)
should not have less than 11% or more than 25% body fat - over 35% is obese
Male Body Fat (teenage)
should not have less than 6% or more than 20% body fat - over 30% is obese
Overfat & Underfat
terms that describe how much your total body weight is made up of fat
Basal Metabolism
the amount of energy you body uses just to keep you living
Skinfolds
the fat under the skin
Factors that Influences Body Fatness (6)
1. Heredity 2. Metabolism 3. Maturation 4. Early Fatness 5. Diet 6. Physical Activity Level
Factors that Influence Body Fatness (4)
Body Fat Assessment (5) 1. Hydrostatic Underwater Weighing 2. Skinfold Measurements 3. Body Mass Index (BMI) 4. Height-Weight Charts etc. 5. Waist-to-Hip Ratio