iii). Body fat distribution: Total body DEXA will measure abdominal fat (i.e., the area between the dome of the diaphragm and the top of the hip. Total body DEXA images also will determine % body fat; fat-free body mass; total body, abdominal, and leg fat; and abdomen/leg fat mass ratio. The leg region is that area below the top of the hip bone (greater trochanter).