Stand in front of the subject and locate, by inspection, the most protruding point of the right upper arm overlying the deltoid muscle. Draw a short horizontal mark through the landmark. Use a landmark transfer rod set at the height of the right deltoid landmark to establish the location of the left deltoid landmark. Draw a short horizontal line through the left landmark. The lowest point of the lowest furrow or crease at the juncture of the right buttock and the thigh.
Subject is in the anthropometric standing position.
Stand behind the subject and draw a short horizontal line at the top of the thigh at the lowest point of the lowest crease. Even on subjects with a continuous curve, a skin crease can usually be discerned. Subject stands in the anthropometric standing position. Stand in front of the subject. Use both hands to locate the anterior and posterior points of the iliac crests and note one half the distance between them.