Trapezius (Upper)

Question 1

Upper Trapezius (ORIGIN)

Answer 1

External occipital protuberance, medial third of the superior nuchal line of the occipital bone, ligamentum nuchae, and the spinous process of C7

Question 2

Upper Trapezius (INSERTION)

Answer 2

Lateral third of the clavicle

Question 3

Upper Trapezius (INNERVATION)

Answer 3

Spinal accesory nerve (CN XI) and cervical nerves (C3, C4)

Question 4

Upper Trapezius (BLOOD SUPPLY)

Answer 4

Transverse cervical artery

Question 5

Upper Trapezius (ACTION)

Answer 5

Elevates the scapula; upward rotation of the scapula