innermost intercostal muscle

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Origin

lower border of superior (upper) rib

Insertion

  • obliquely, down & forward to upper border of inferior (lower) rib

Action

probably elevates ribs

Innervation

intercostal nerve

More general terms

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999
  2. Grant's Atlas of Anatomy, 10th edition, AMR Agur & MJ Lee (eds), Lippincott Williams & Wilkins, Philadelphia, 1999