Skinfold Sites

Triceps   Vertical fold Posterior midline of the upper arm Halfway between the acromion (shoulder) and olecranon processes (elbow) Arm held freely to the side of the body	Chest   Diagonal fold Men: one-half the distance between the anterior axillary line (crease of the underarm) and the nipple Women: one-third of the distance between the anterior axillary line and the nipple
Midaxillary   Vertical or Horizontal fold Midaxillary line at the level of the xiphoid process of the sternum	Subscapular   Diagonal fold 1 to 2 cm below the inferior angle of the scapula

Suprailiac   Diagonal fold Anterior axillary line (modern technique) immediately superior to the iliac crest in line with the natural angle of the iliac crest taken Mid-axillary line (traditional technique) Superior to the iliac crest	Abdominal    Vertical (modern technique) 2 cm or 1" to the right side of the umbilicus Horizontal fold (traditional) 2 cm to the right side of the umbilicus
Thigh   Vertical fold Anterior midline of the thigh Midway between the proximal border of the patella (upper knee) and the inguinal crease (hip)	Other Sites  Biceps Vertical fold Anterior aspect of the arm over the belly of the biceps muscle 1 cm above the level used to mark the triceps site   Calf Vertical fold maximum circumference of calf on the midline of medial border