Medial border of scapula

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Bone: Medial border of scapula
Left scapula. Dorsal surface. (Medial angle visible at upper right.)
Surface anatomy of the back. (Medial border not labeled, but is visible near arrows for trapezius and rhomboideus major.)
Latin margo medialis scapulae
Gray's subject #50 206
/ Elsevier

The medial border of the scapula (vertebral border, medial margin) is the longest of the three borders, and extends from the medial to the inferior angle.

It is arched, intermediate in thickness between the superior and the axillary borders, and the portion of it above the spine forms an obtuse angle with the part below.

This border presents an anterior and a posterior lip, and an intermediate narrow area.

The anterior lip affords attachment to the Serratus anterior; the posterior lip, to the Supraspinatus above the spine, the Infraspinatus below; the area between the two lips, to the Levator scapulæ above the triangular surface at the commencement of the spine, to the Rhomboideus minor on the edge of that surface, and to the Rhomboideus major below it; this last is attached by means of a fibrous arch, connected above to the lower part of the triangular surface at the base of the spine, and below to the lower part of the border.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.