Rhomboid Major

Written by Sharanya Bhaskaran

Last updated January 2, 2023 • 2 Revisions •

The rhomboid major is an extrinsic muscle of the shoulder. It is located deep to the trapezius, and inferior to the rhomboid minor.

  • Attachments: Originates from the spinous processes of T2-T5 vertebrae. Attaches to the medial border of the scapula, between the scapula spine and inferior angle.
  • Actions: Retracts and rotates the scapula.
  • Innervation: Dorsal scapular nerve.
  • Blood Supply: Dorsal scapular artery

Fig 1
The superficial muscles of the back

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