trapezius (cowl muscle)

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Origin

Insertion

Action

Superior fibers

Middle fibers

Inferior fibers

  • depress the scapula & lower the shoulder

Innervation

Notes

[Greek, trapezium = irregular 4-sided figure]

More general terms

References

  1. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995.
  2. Clinically Oriented Anatomy, 4th edition, KL Moore & AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia, PA 1999.