Image from Weight Loss Procedure (IMAGE) Radiological Society of North America Caption Body composition segmentation at the L3 lumbar vertebral body level. Boundaries for subcutaneous fat (SF), visceral fat (VF) and skeletal muscle (SM) are delineated by the white lines. Credit Radiological Society of North America Usage Restrictions May use with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.