Air displacement plethysmography
Air displacement plethysmography or ADP (also known as whole-body air displacement plethysmography) is a recognized and scientifically validated densitometric method to measure human body composition.wikipedia
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fat free massbody composition monitorsfat free mass (FFM)
Air displacement plethysmography or ADP (also known as whole-body air displacement plethysmography) is a recognized and scientifically validated densitometric method to measure human body composition.
The technique uses air as opposed to water and is known as air displacement plethysmography (ADP).
ADP is based on the same principles as the gold standard method of hydrostatic weighing, but through a densitometric technique that uses air displacement rather than water immersion.
compressedBoyleBoyle's Gas Law
Boyle's law states that at a constant temperature, volume (V) and pressure (P) are inversely related.
DEXAdual energy X-ray absorptiometrybone densitometry
isotope dilution mass spectrometryIDMSreverse isotope dilution analysis
KK + potassium ion
Compartmentalcompartmental modelcompartmental modelling
In 2011, COSMED USA, Inc. completed the acquisition of US company Life Measurement, Inc. (LMI), provider of body composition assessment equipment based on Air Displacement Plethysmography technology.
Before bioelectrical impedance analysis machines were developed, there were many different ways in analyzing body composition such as skin fold methods using calipers, underwater weighing, whole body air displacement plethysmography (ADP) and DXA.