Figure 2From: New fat free mass - fat mass model for use in physiological energy balance equationsPosition of several studies on the NHANES band (females). A. FFM index (kg/m2) versus FM index (kg/m2) of NHANES and gastric bypass subjects at baseline and 12 months [15, 22] B. FFM index (kg/m2) versus FM index (kg/m2) of NHANES, athletes, and anorexic subjects [17, 18].Back to article page