Includes all non-fat tissue
All the organs in the body,water,muscle tissue,bones,connective tissue (ligaments &tendons)
Body fat types
Essential and nonessential fats
Lipids in the heart,brain,nerves,mammary tissue,uterine tissue
function of essential fats
necessary for body function. men (3% of normal body weight).women(12% of normal body weight)
Non essential fats
Found mostly in fat cells below skin or around organ.
Non-essential fats function
Storage. Amount depends on age,gender,diet,activity level,metabolism,heredity.
Height & weight tables
used to determine body fat % .Inaccurate and wrong because muscle weighs more than fat.
Percent body fat
Best way to determine body composition .Percent of fat on a person's body.
total body weight above recommended range for good health.
overweight percentage of fat in women
overweight percentage of fat in men
percentage of adults in the U.S. that are overweight
a more serious degree of overweight
obesity percentage of fat in women
obesity percentage of fat in men
over 25 %
Mostly men-store adipose tissue in the abdomen or stomach area,have highest risk of CVD
Mostly women-store adipose tissue in the hip area,less risk of CVD
percentage of adults in the U.S. that are obese
Assessing body composition
Body mass index,skinfold measurement,underwater weight,BIA,waist to hip ratio
Body mass index
Dividing body weight by height and comparing figure to an index ,fairly accurate
Measures skinfold with calipers at specific sites (3,5,7,9).error of (+) or (-) 3%. Requires practice.
Muscle is denser than fat underwater(less buoyant).Very expensive but most accurate.
Sending small electrical current through the body.lean mass ,more water,better conductor. fatty tissue,less water,bad conductor.
waist to hip ratio
Measure waist and hip,divide waist by hip and get a number.greater risk of CVD (women above .86,men above .95)
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