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Medial border of scapula

The long inner edge of the shoulder blade, running from the superior angle down to the inferior angle alongside the spine.

BoneScapula
RegionBack

Find it

  1. Client prone with the arms by the sides. If it is comfortable for them, the back of the client's hand can rest on the lower back to lift the border away from the ribs.
  2. Find the inferior angle, then walk your fingertips up the inner edge towards the neck.
  3. Feel the edge as a ridge a few finger-widths out from the spinous processes. It is easier to feel in lean clients and when the shoulder is relaxed.
  4. Continue up to the superior angle, at about the level of T2, which lies deep under the trapezius.

Four muscles attach along the medial (vertebral) border. Serratus anterior attaches to its front lip. On the back, from top to bottom, are levator scapulae (superior angle down to the root of the spine), rhomboid minor (level with the root of the spine) and rhomboid major (below the spine down to the inferior angle). Gray’s also attaches supraspinatus and infraspinatus to the back lip.

Trapezius covers this area, so work along the border is felt through it.

Sources

  1. Wikipedia: Scapula
  2. Gray's Anatomy (1918), The Scapula (Bartleby, archived)