Ct and dexa photographically look at body composition differently. Determine lean body mass lbm by substracting eight in fat from total lbmbw fw 3.
Fat Free Body Mass Body Composition Benefits
What is the most accurate way to measure body composition quizlet. The dexa duel energy x ray absorptiometry scan originally focused on measuring bone mineral density is now widely used as tool to measure body composition as well. Bodpod electronic equipment is measuring all of body composition elements whereas dexa and ct x ray are measuring specific components of body mass in order to get goal bm. There are many different ways to measure body composition. Determine the pounds of body weight that is fat fw fwbwf 2. When discussing these methods the terms validity and reliability come up frequently. Some are more accurate than others.
Computer recommended body weight rbw rbwlbm10 dfp. Uses a low level single frequency electric current to measure body composition skinfold measurement measuring body composition. The most common assessments are. Not commonly done due to time and money. Select desired body fat percentage dfp 4. Body density db this method of measuring body composition utilizes displacement of air within a closed chamber bod pod.
Each method has its advantages and disadvantages. Most people arent that desperate to obtain some numbers so scientists have developed methods to estimate body composition. Dexa accomplishes this by running two beams of light over the bone and gauging how much light is absorbed. Multi compartment models are considered to be the most accurate method of body composition assessment 3 10. These models split the body into three or more parts. One of the most economical ways to measure body composition and when performed by skilled technitions correlate well with hydrostatic weighing.
Hydrostatic weighing is an incredibly accurate technique for measuring body composition. The most accurate methodology to find body composition of living person is to use what model. Here is a review of the five most commonly available methods of body composition testing listed in order of most accurate to least accurate. The technique uses tried and true variables that feature a low percentage of error. Click card to see definition tap card to see definition the 4 compartment model. The most accurate way to measure body composition is by cadaver dissection.