Bones Joints Neck Flashcards

0
Q

what 3 things in the carotid sheath?

A

carotid artery
jugular vein
Vagus Nerve

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1
Q

4 suboccipital muscles?

A

rectus capitis major
minor
superior oblique
inferior oblique

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2
Q

C1 and C2 nerve roots pass where?

A

behind the facet joints

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3
Q

below C2 nerve roots pass?

A

in front of facet joints

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4
Q

whats the difference between internal and external carotids in neck?

A

external gives off branches

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5
Q

vessels, what happens at C4?

A

common carotid bifurcation

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6
Q

vertebral arteries in which foraminae?

A

C6-C1

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7
Q

what is the carotid tubercle?

A

anterior tubercle of C6

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8
Q

cervical disc main purpose?

A

prevent forward slip and rotation

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9
Q

what guides movement on c-spine vertebrae?

A

uncinate processes/joints of Luschka

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10
Q

what is less common C-spine than L-spine re: discs? usual cause?

A

prolapse

trauma

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11
Q

synovial facet joints are innervated by?

A

posterior rami

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12
Q

causes of facet joint injury?

A

whiplash

hyperextension

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13
Q

what allows nodding?

A

atlanto-occipital joints (synovial)

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14
Q

what are the 3 synovial joints for rotation of atanto-axial joint?

A
  1. median pivot between dens and anterior arch of atlas
  2. lateral facet
  3. lateral facet
    50% of cervical rotation
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15
Q

supraspinous ligament becomes what near superior C-spine?

A

ligamentum nuchae

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16
Q

ligamentum flavum becomes what near superior C-spine?

A

posterior atlanto-occipital membrane

17
Q

anterior longitudinal ligament becomes what near superior C-spine?

A

anterior atlanto-occipital membrane

18
Q

posterior longitudinal ligament becomes what near superior C-spine?

A

membrana tectoria

19
Q

all c-spine ligaments resist what movements?

20
Q

what prevents posterior translation of dens?

A

transverse ligament

21
Q

what ‘check’s rotation of atlas on dens?

A

alar ligaments

22
Q

what is hangman’s fracture?

A

both pedicles fractured due to hyperextension in trauma

23
Q

what is a Jefferson fracture?

A

fall onto vertex of skull (shallow dive) causing bilateral ant. arches + pedicle fractures

24
What 2 muscles in the investing layer?
Trapezius | SCM
25
What is located in the pretracheal layer?
thyroid gland | deep neck flexors
26
what is the cervical fascial layer with muscles close to the vertebra called?
prevertebral layer
27
what is in the superficial facia layer of the neck?
fat cutaneous nerves, veins
28
What do neck fascial layer allow?
tracking of abcesses, infections in that compartment
29
what maintains the neck lordosis?
post-vertebral muscles
30
why C2 bifid spinous process?
increase surface area for muscle attachments
31
tubercles of c-spine?
1. Anterior | 2. Posterior
32
where is vertebra prominens?
C7
33
articular surfaces oriented at?
45 degrees
34
uncinate process from which vertebrae?
C3-6
35
Scalenus anterior origin and attachment? which compartment?
C3-6 to first rib | deep to prevertebral fascia
36
2 structures go through space between ant and medius scalene:
subclavian artery | brachial plexus
37
which muscle helps maintain cervical lordosis?
longus colli
38
% of people with cervical rib?
1% elongation of anterior tubercle causing nerve entrapment
39
Atlas has no?
body
40
atlas has longest?
transverse processes
41
what is the 'body' of C1?
the dense/odontoid process