Body Composition The body’s proportion of fat and fat-free mass

Fat Free Mass All non-fat tissue

Fat (adipose tissue) Essential Fat – normal body functioning Males: __% to __% Females: __% to __ % Non-Essential Fat – storage of fat in _______ tissue. _______________________________

Body Composition of a Typical (?) Man and Woman

Overweight Body weight above recommended range for good health. 10% above recommended range (Ht/Wt) BMI 25 – 29.9 ___% of adult Americans are overweight

Obesity A more serious degree of overweight causing a significant impairment of health. 20% above recommended weight (Ht/Wt) BMI >30 ___% of American adults are obese

Prevalence of Overweight and Obesity Among Americans

Body Weight and Cancer Mortality

Percent Body Fat The proportion of the body’s total weight that is fat. Methods of determining % body fat 1. Underwater weighing 2. Skinfold (calipers) 3. Bio-impedance (ELG) 4. Bod Pod

Percent Body Fat Chart Males (% Fat) Females (% Fat) Rating (ages 18-30) (ages 18-30) Desirable Acceptable Overfat Obese20 or over30 or over

Body Fat Distribution – Android (apple shaped) Predominantly ____ Region – _________ Site – __________ Fat cell size – _____ Fat mobilization - ___________

Android Distribution & Disease Android = Increased risk for cardiovascular disease and diabetes. Easy fat mobilization = sensitive to ________ resulting in increased lipids in blood = LDL Large fat cell size = less ____________ produced so less sensitive to insulin Android fat distribution is determined by: W/H Ratio: Male >.94Female >.82 Waist Cir.: Male >40” Female >35”

Body Fat Distribution – Gynoid (Pear shaped) Predominantly ________ Region - _________ ____________ Site – ___________ Fat cell size – _____ Fat mobilization - ___________