Trapezius Muscle Flashcards

Flashcards are a great way to memorise information about the trapezius muscle. Test your knowledge of anatomy using the trapezius flashcards below.

Press a flash card to reveal the answer.

Origin

Superior nuchal line, external occipital protuberance, nuchal ligament & spinous processes C7 – T12

Insertion

Lateral third of clavicle, acromion & spine of scapula

Actions

  • Elevate & depress scapula
  • Scapula adduction
  • Scapula rotation
  • Neck extension & lateral flexion

Innervation

  • Spinal accessory nerve (cranial nerve XI) (motor fibres)
  • C3, C4 cervical spinal nerves (pain and proprioceptive fibres)

Blood Supply

  • Cervical artery
  • Dorsal scapular artery
  • Posterior intercostal arterial branches

Would you like to learn more about the trapezius muscle? Then check out the trapezius muscle article and video by clicking the link below:
Trapezius Muscle Anatomy

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