Pdf Techniques Used In The Measurement Of Body Composition

Body Composition Measurement Research

Human body composition measurements are objective methods of nutritional assessment and are of interest to nutritionists health professionals and sports scientists. The cnrc body composition laboratory is the only laboratory of its type in the nation that can provide a complete complement of body composition measurements in all populations ranging from low birth weight infants to adults. The only fully accurate measurement of body composition is cadaver whole body dissection analysis previously undertaken as part of the brussels cadaver analysis study. Body composition can be assessed in a number of different ways with methods ranging in technicality cost and accuracy. These high precision measurements are associated with body water mineral protein and fat content. The fat free mass mainly composed of muscle comprises the majority of the somatic protein mass.

Ongoing efforts involve multisegmental and multifrequency bioelectrical impedance analysis quantitative magnetic resonance for total body water fat and lean tissue measurements imaging to further define ectopic fat depots. Toxicity after cycle 1 was graded. With the increasing prevalence of obesity and lifestyle diseases there is increased need for body composition methods with greater sensitivity and precision. Body composition assessments vary in precision and in the target tissue of interest. Health care providers can use body composition information to screen for current and future health risks provide anticipatory guidance monitor therapeutic. The adverse health consequences of excess body fat are well documented and measurements of body fat are used in medical research as a marker of future risk.

Measurement of body composition during infancy and childhood has important uses in primary and specialty health care settings clinical research and national surveys and surveillance. Body composition measurement methods are continuously being perfected. Quantified composition on individual slices obtained at the lumbar spine. Evidence suggests that lean body mass lbm may be useful to normalize doses of chemotherapy. Tanita there is growing interest in the measurement of body composition in particular the assessment of fat mass. The most common assessments are anthropometric and include weight stature abdominal circumference and skinfold measurements.

Data from a prospective study were used to determine if the highest doses of 5 fluorouracil 5 fu per kilogram lbm would be associated with dose limiting toxicity in stage iiiii colon cancer patients treated with 5 fu and leucovorin. Several studies have investigated the use of single slices to estimate whole body composition as an alternative method. Body composition the assessment of body composition and of somatic protein stores involves the measurement of different body compartments water fat bone muscle and visceral organs.

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