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subclavius muscle
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
General
skeletal muscle (voluntary muscle)
References
Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
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