Teres Minor

Cards (7)

  • Teres Minor:
    • Thin muscle situated below infraspinatus and above teres major
  • O (origin)
    • Upper 2/3 of the lateral border of the scapula
    A) Teres Minor
  • R (direction)
    • Upwards and laterally
    A) Teres Minor
  • I (insertion)
    • Lowest facet on the greater tubercle via a narrow tendon which also reinforces the posterior part of the capsule
    A) Teres Minor
  • A (actions)
    • Lateral rotation in the anatomical position
    • adducts the abducted arm
    A) Teres Minor
  • NS (nerve supply)
    • Axillary nerve (C5, C6)
    A) Teres Minor
  • Teres Minor - Function:
    • Resists upward displacement of the head of humerus during active contraction of deltoid
    A) Teres Minor