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Unit 3 dissections > Posterior neck > Flashcards

Posterior neck Flashcards

1
Q

The _______ triangle is bounded by the rectus capitis posterior major, obliquus capitis superior and obliquus capitis inferior muscles.

A

suboccipital

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2
Q

The splenius capitis and cervicis muscles pass superficial (posterior) to the ________ and ________ muscles.

A

semispinalis capitis

longissimus capitis

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3
Q

The greater occipital nerve passes directly posterior and inferior to the _______ muscle.

A

obliquus capitis inferior

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4
Q

The _______ artery is is positioned directly ________ to the posterior arch of the atlas.

A

vertebral

superior

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5
Q

The greater occipital nerve is a branch of the _______ ramus of spinal nerve _______.

A

dorsal

C2

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6
Q

The ________ muscle is positioned ________ to the semispinalis capitis muscle.

A

splenius capitis

superficial

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7
Q

The ________ muscle is positioned ________ to the longissimus capitis muscle.

A

splenius cervicis

superficial

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8
Q

The ________ nerve pierces the semispinalis capitis muscle approximately 1 cm from the midline

A

greater occipital

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9
Q

The ________ ligament is located between the right and left semispinalis capitis muscles.

A

nuchal

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10
Q

What are the attachments of the rectus capitis posterior major?

A

spinous process of axis –> occipital bone

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11
Q

What is the function of the rectus capitis posterior major?

A

extension of the head

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12
Q

What innervates the rectus capitis posterior major?

A

suboccipital n. (dorsal ramus C1)

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13
Q

What 2 arteries supply the rectus capitis posterior major?

A

vertebral and occipital

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14
Q

What are the attachments of the obliquus capitis superior?

A

transverse process of atlas –> occipital bone (between superior & inferior nuchal lines)

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15
Q

What is the function of the obliquus capitis superior?

A

posterolateral flexion of the head

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16
Q

What innervates the obliquus capitis superior?

A

suboccipital n. (dorsal ramus C1)

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17
Q

What 2 arteries supply the obliquus capitis superior?

A

vertebral and occipital

18
Q

What are the attachments of the obliquus capitis inferior?

A

transverse process of axis –> transverse process of atlas

19
Q

What is the function of the obliquus capitis inferior?

A

ipsilateral rotation of the head

20
Q

What innervates the obliquus capitis inferior?

A

suboccipital n. (dorsal ramus C1)

21
Q

What 2 arteries supply the obliquus capitis inferior?

A

vertebral and occipital

22
Q

What are the attachments of the splenius capitis?

A

ligamentum nuchae and spinous processes (lower cervical and upper thoracic) –> lateral third of superior nuchal line

23
Q

What are the 2 functions of the splenius capitis?

A

extension and lateral flexion of the head

24
Q

What innervates the splenius capitis?

A

dorsal rami of cervical spinal n.

25
Q

What 4 arteries supply the splenius capitis?

A

vertebral, occipital, deep cervical and deep branch of transverse cervical

26
Q

What are the attachments of the splenius cervicis?

A

spinous processes (upper thoracic) –> transverse processes of upper three cervical vertebrae

27
Q

What are the 2 functions of the splenius cervicis?

A

extend neck (together), single side does ipsilateral rotation

28
Q

What innervates the splenius cervicis?

A

dorsal rami of cervical spinal n.

29
Q

What 4 arteries supply the splenius cervicis?

A

vertebral, occipital, deep cervical, and deep branch of the transverse cervical

30
Q

What are the attachments of the semispinalis capitis?

A

transverse processes (upper thoracic and cervical) –> occipital bone

31
Q

What is the function of the semispinalis capitis?

A

extension of the head

32
Q

What innervates the semispinalis capitis?

A

dorsal rami of cervical spinal n.

33
Q

What 4 arteries supply the semispinalis capitis?

A

vertebral, occipital, deep cervical, deep branch of transverse cervical

34
Q

What are the attachments of the longissimus capitis?

A

transverse processes (upper thoracic) –> posterior margin of the mastoid process

35
Q

What are the 2 functions of the longissimus capitis?

A

extension and ipsilateral rotation of the head

36
Q

What innervates the longissimus capitis?

A

dorsal rami of spinal n.

37
Q

What 4 arteries supply the longissimus capitis?

A

vertebral, occipital, deep cervical, deep branch of the transverse cervical

38
Q

What are the 2 functions of the medial branch of the greater occipital n.?

A

sensory and postganglionic sympathetic

–> skin overlying the back of the head

39
Q

What are the 3 functions of the lateral branch of the greater occipital n.?

A

sensory, postganglionic sympathetic, motor

–> splenius capitis, longissimus capitis, semispinalis capitis

40
Q

What are the attachments of the ligamentum nuchae?

A

C7 spinous process –> external occipital protuberance with slips to intervening spinous processes

41
Q

What muscle attaches to the ligamentum nuchae?

A

splenius capitis

Unit 3 dissections (1 decks)

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