Teres Minor

Written by Oliver Jones

Last updated October 9, 2022 • 3 Revisions •

The teres minor is an intrinsic muscle of the shoulder region. It is part of the rotator cuff muscle group.

  • Attachments: Originates from the posterior surface of the scapula, adjacent to its lateral border. It attaches to the greater tubercle of the humerus.
  • Actions: Lateral rotation of the arm.
  • Innervation: Axillary nerve.
  • Blood supply: Circumflex scapular artery and the posterior circumflex humeral artery.

Fig 1
The rotator cuff muscles, which act to stabilise the shoulder joint.

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