Posterior mm of the neck

Question 1

Splenius capitis (G. splenion, bandage)

Answer 1

attachments- from the ligamentum nuchae and lower cervical & upper thoracic spinous processes to the lateral third of the superior nuchal line

function- extension & lateral flexion & ipsilateral rotation of the head

innervation- dorsal rami of cervical spinal n.

Question 2

Longissimus capitis

Answer 2

attachments- from the upper thoracic transverse processes to the posterior margin of the mastoid process

function- extension & lateral flexion & ipsilateral rotation of the head

innervation- dorsal rami of spinal n.

Question 3

Semispinalis capitis

Answer 3

attachments- from upper thoracic & cervical transverse processes to the occipital bone between the inferior & superior nuchal lines

function- extension & contralateral rotation of the head

innervation- dorsal rami of cervical spinal n.