Which body composition measuring system uses the volume of a controlled chamber compared to body volume to determine bodyfat per

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Which body composition measuring system uses the volume of a controlled chamber compared to body volume to determine bodyfat per

centage? Body mass index (BMI) Skinfold measurements Bioelectrical impedance (BI) Air displacement plethysmography (ADP)

Biology

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krok68 [10] · Answer 1 · 2023-04-24T21:45:37+03:00

Air displacement plethysmography (ADP) measures the volume of a controlled chamber compared to body volume to determine body fat percentage.

<h3>What is Air displacement plethysmography (ADP)?</h3>

A two-component model called air displacement plethysmography (ADP) measures mass and volume, allowing for an assessment of body density (Db). This allows for the estimate of fat and fat-free mass using body density, which is calculated by dividing mass by volume (FFM).

With air-displacement plethysmography, an object's volume is indirectly determined by calculating how much air it displaces inside a sealed chamber (plethysmograph). Therefore, a patient is placed inside the chamber and their body volume is measured by how much air they can move while sitting within.

Learn more about plethysmography here:

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