It starts in the middle of the lower aspect of the glenoid cavity that is located above the border. The lateral margin (also known as the lateral border or axillary margin) is the outer and the thickest margin. To this margin are attached four muscles - serratus anterior, levator scapulae, and rhomboid muscles (minor and major). It extends from the superior to the inferior angle. The medial margin (also called the medial border or vertebral margin) is the inner and the longest border. The scapula has three margins, two surfaces, and three angles.Īs mentioned above, the scapula presents with three margins or borders, which are as follows: It lies over the posterior surfaces of the second to eighth ribs. The scapula is positioned on the posterolateral aspect of the rib cage. Together with the clavicle, the scapula forms the shoulder girdle which connects the upper limb with the axial skeleton. ![]() ![]() The name “scapula” derives from Latin, meaning “trowel” or “small shovel,” which it seems to resemble. It is also known as the shoulder bone, shoulder blade, wing bone, and blade bone. The scapula (Latin: scapula) is a flat triangular bone that connects the humerus and clavicle.
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