Uses 2 separate x ray beams with different energy levels. The gold standard for providing bone density. It is one of the best ways to accurately measure your lean mass and fat mass and also provides resting metabolic rate the number of calories your body needs to support its basic functions and total energy expenditure the number of calories you need to make it through your day. During a dexa measurement the person lies on a bed and an x ray beam passes in a posterior to anterior direction to a detector. Two weights water and land weight are then entered into equations to generate body fat percentage. Easy test to take.
Body density mass of air mass of air mass of water underwater weighing is regarded as the gold standard for body composition measurement as it is one of the only body composition technologies that have been compared directly to cadaver analysis. The american college of sports medicine acsm has called it the gold standard because of its high accuracy. Which method of body composition measurement is considered a gold standard criterion method. Technology invented to measure bone mineral density. However its accuracy depends on how consistent you can exhale air from your lungs. The more energy that is absorbed the denser the tissue.
Texas am dual energy x ray absorptiometry dexa. Which of the following is the accepted gold standard or criterion measure for body composition measurements. Which of the following is the basis for the bioelectric impedance method for body composition assessment. For this reason three measurements are performed and the average is taken. Along with proper use of the equations. Two energies are used to allow estimates of soft tissue absorption separate to bone 6.
Equipment is very expensive so tests are usually expensive. B fat has less water content than muscle. While dexa is the gold standard for bone mineral density measurements41 it is also used to estimate total and regional body fat and ltm. Underwater weighing is called the gold standard of body composition tests. 50 of the body composition measurement is a mathematical estimate. The bod pod gold standard body composition tracking system is an air displacement plethysmograph which uses whole body densitometry to determine body composition body fat and fat free mass in adults and children and can accommodate a wide range of populations.
People are submerged under water and weighed. The bodpod is the gold standard for body composition testing. Dxa is considered the gold standard measurement tool for the diagnosis of osteopenia and osteoporosis 7.