# Shared Flashcard Set

body composition
lab techniques
22
Fitness
10/25/2015

## Additional Fitness Flashcards

Term
 hydrostatic weighing
Definition
 criterion measure for determining body comp. through the calculation of body density
Term
 Archimedes Priniciple
Definition
 the idea that a partially or fully submerged object experiences an upward buoyant force equal to the weight or the volume of fluid displaced by the object
Term
 what is the "gold standard" for weighing
Definition
 DXA for measurement of fat and lean soft tissue
Term
 what are the different techniques for lab techniques
Definition
 densitometry, hydrometry, DXA, CT, MRI
Term
 what is hydrostatic weighing?
Definition
 underwater weighing to determine body comp through calculation of body density
Term
 define specific gravity
Definition
 mass of an object divided by its loss of weight in the water
Term
 body density is determined by what?
Definition
 mass per unit volume is determined by the amount of body fat present
Term
 density of bone and muscle mass weighs more or less underwater and sinks or floats?
Definition
 it weighs more and would sink
Term
 densitometry
Definition
 the measurement of mass per unit volume
Term
 fat free weight
Definition
 the weight of body tissue excluding extractable fat
Term
 body composition
Definition
 the partitioning of body mass into fat free mass and fat mass
Term
 storage fat
Definition
 fat in the adipose tissue and the visceral fat
Term
 essential fats
Definition
 fat in the bone marrow, CNS, cell membranes, heart, lungs, liver, spleen, kidneys, intestines, and muscles
Term
 Brozek formula
Definition
 %BF = (4.570/Density-4.142) X 100
Term
 Siri formula
Definition
 %BF = (4.950/Density- 4.5) X 100
Term
 the density of the FFW is lower in children than adults? T or F
Definition
 true
Term
 the water weight percentage is higher in children than adults? T or F
Definition
 true
Term
 the mineral percentage is lower in children than adults? T or F
Definition
 true
Term
 define skinfolds-
Definition
 the double thickness of the skin plus the adipose tissue between the parallel layers of the skin
Term
 what are some anthropometric measures?
Definition
 skinfolds,height and weight, BMI
Term
 BMI
Definition
 a ratio of the total body weight to height
Term
 how do you find the BMI
Definition
 weight in kilograms divided by height in meters squared
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