Subclavius posticus muscle

Dr Henry Knipe et al.

Subclavius posticus is an accessory muscle in the root of the neck, lying between the subclavius muscle and the inferior belly of omohyoid. It has an incidence of ~ 7.5% 2,4.

  • origin: first costal cartilage
  • insertion: superior margin of scapula
  • nerve supply: nerve to subclavius or suprascapular nerve

Subclavius posticus may be associated with:

Anatomy: Upper limb
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Article information

rID: 31897
Section: Anatomy
Synonyms or Alternate Spellings:

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