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All the organs in the body,water,muscle tissue,bones,connective tissue (ligaments &tendons)
function of essential fats
necessary for body function. men (3% of normal body weight).women(12% of normal body weight)
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.
Assessing body composition
Body mass index,skinfold measurement,underwater weight,BIA,waist to hip ratio
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.
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