Unique Muscles of the Posterior Neck Flashcards Preview

Spinal Anatomy I - Exam 3 > Unique Muscles of the Posterior Neck > Flashcards

Flashcards in Unique Muscles of the Posterior Neck Deck (9):
1

What muscles lie just beneath the trapezius in the neck?

- splenius capitis
- splenius cervicis

2

What does the word "splenius" mean?

it is the Greek word for bandage

3

What part of the vertebra forms the osseous origin for the splenius?

the spinous process

4

Splenius capitis will attach to what locations on the skull?

- mastoid process of temporal bone
- superior nuchal line of the occipital bone

5

Contraction of splenius capitis will result in what movements?

- lateral flexion of head
- rotation of face to the side
- bilaterally they extend the head

6

What is the innervation of the splenius capitis?

dorsal rami of middle cervical spinal nerves (C3-C5 cord levels)

7

Splenius cervicis will attach to what locations on the spine?

- lateral mass of C1
- posterior tubercle of transverse process on C1-C4

8

Contraction of splenius cervicis will result in what movements?

- lateral flexion and rotation of neck
- bilaterally they extend the neck

9

What is the innervation of the splenius cervicis?

dorsal rami of lower cervical spinal nerves (C5-C7 cord levels)

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