subclavius muscle

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Introduction

Thoraco-appendicular muscle.

Origin

1st costal cartilage

Insertion

inferior surface of the acromial end of the clavicle

Action

fixes clavicle or elevates 1st rib

Innervation

subclavian nerve from brachial plexus

More general terms

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999