Teres major

Teres major is one of the seven scapulohumeral muscles that act around the glenohumeral joint to facilitate shoulder movement.


  • origin: caudal two thirds of lateral border and inferior angle of scapula
  • insertion: medial border of the intertubercular goove, which is the crest of lesser tubercle of humerus
  • innervation: lower subscapular nerve (C5/C6)
  • action: medial shoulder rotation and shoulder adduction
Upper limb anatomy
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Article information

rID: 23170
Section: Anatomy
Synonyms or Alternate Spellings:

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