The accurate assessment of body composition helps your physician, nutritionist, and performance scientist work with you in developing a healthy weight plan. It measures total body fat as well as lean tissue and visceral fat. Note: The radiation from 135 DEXA body composition measurements are equivalent to that from one chest X-ray. Part I (25 minutes) – A physician administers the test and advises you about reducing risk for disease. Part II (50 minutes) – Meet with a Performance Scientist who interprets the test data and helps you set realistic goals for muscle mass and body fat levels.