interclavicular ligament interclavicular ligament the interclavicular ligament is a flattened band, which varies considerably in form and size in different individuals, it passes in a curved direction from the upper part of the sternal end of one clavicle to that of the other, and is also attached to the upper margin of the sternum. interclavicular ligamentsternoclavicular articulation. anterior view. (interclavicular ligament visible at center top.)detailsfromclavicletoclavicleidentifierslatinligamentum interclaviculareta98a03.5.04.006ta21757fma26013anatomical terminology it is in relation, in front, with the integument and sternocleidomastoidei; behind, with the sternothyreoidei.