Use a landmark transfer rod set at the height of the right waist landmark to locate corresponding landmarks on the left, front, and back of the subject. Draw 4-cm horizontal lines through these landmarks. The marks are drawn at the maximum point of quiet respiration. The subject must not tense the abdominal muscles. Be sure to draw the landmarks at the maximum point of quiet respiration.
Subject is in the anthropometric standing position.
Stand in front of the subject and locate the landmark by inspection. The landmarks are drawn at the maximum point of quiet respiration. The subject must not tense the abdominal muscles or change body position while these marks are drawn.