Air displacement plethysmography adp also known as whole body air displacement plethysmography is a recognized and scientifically validated densitometric method to measure human body compositionadp 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. Fields da goran mi mccrory ma. Body composition assessment via air displacement plethysmography in adults and children. The pea pod is an air displacement plethysmography adp system using whole body densitometry to determine body composition fat and fat free mass in infants weighing between 1 and 8 kg. Am j clin nutr 2002 75453 467. Mccrory ma gomez td bernauer em molé pa.
Med sci sports exerc 1995 271686 1691. We hypothesized that physiologic changes owing to pregnancy could affect the accuracy of predicted tgv and introduce errors into body composition measurements. A review am j clin nutr 2002. Body composition measurements with air displacement plethysmography adp define body volume which must be corrected for thoracic gas volume tgv. To compare body composition parameters estimated by air displacement plethysmography adp to dual x ray absorptiometry dxa in body mass index bmi classifications that include extremely obese bmi400kgm 2 and to examine if differences between analyses were influenced by bmi. In the context of a clinical trial of 35 free living non athletic individuals 80 f ages 4069 years bmi 2534 kgm2 we compared body composition measurements utilizing bioelectrical impedance analysis bia and air displacement plethysmography adp.
Evaluation of a new air displacement plethysmograph for measuring human body composition. Evaluation of factors determining the precision of body composition measurements by air displacement plethysmography. This is mainly attributable to the non invasive test procedure and the lack of technical expertise required compared to the traditional hydrostatic weighing procedure. Eur j clin nutr 57 770776 2003. Bod pod has gained popularity among body composition researchers since its introduction in 1995. The pea pod is extremely simple to operate with software prompts guiding the operator through each step of the process.
Body composition assessment via air displacement plethysmography in adults and children. 453 lohman tg skinfolds and body density and their relation to body fatness. Fields da goran mi mccrory ma. Collins a mccarthy h. Air displacement plethysmography has been used to measure human body composition for nearly a century but was not developed into a viable system for routine use until the mid 1990s there is only one commercially available system for air displacement plethysmography which is known by the trade name bod pod life measurement inc concord ca.