| Name the three ligaments that contribute to atlanto-occipital
stability |
Alar ligament, cruciform ligament, and transverse ligament |
In what motion does the Atlas move?
Where does it
articulate?
What is this joint called |
Cervical flexion/extension
Occipital condyles
Atlanto-occipital
joint
"Yes" motion |
Describe characteristics of C1
Describe characteristics of C2 |
C1 is the ATLAS vertebra. It has neither a body or spinous
process
C2 is the AXIS vertebra. No disc exists between 2 vertebra |
How many cervical spinal nerves are there?
What vertebra has the
longest spinous process? |
8
C7 |
Name the number of cervical spinal bones.
Which are
atypical?
What is unique to this region? |
C1-C7
C1 and C2
Transverse foramen and bifid spinous process |
Where is hyoid bone located?
Name three components of bone |
Anterior portion of neck at C3-C4 region
Body, greater horn, and
lesser horn |
How does C2 attach with C1?
What motion does C2 create? |
The DENS are a superior projection interacting with the Atlas.
Atlanto-axis joint.
Rotation. "No" vertebra |
Name the three types of Scalenes
Where do they insert and
attach?
Where is phrenic nerve located compared to scalenes? |
Posterior, middle, anterior
From cervical vertebra to 1st and 2nd
rib
Across the anterior scalene |
Where is the Trapezius' attachments?
Where are the Trapezius'
insertions?
What nerve innervates the Trap. |
scapula spine and clavicle
Spinous processes and on
skull
Accessory Nerve |
Where is the attachment of the Sternocleidomastoid muscle?
Where is
the SCM insertion?
What nerve innervates this area? |
Attaches at mastoid process
Inserts at Clavicle and
Manubrium
The accessory nerve (CN XI) |
| Describe the four nerves of the cervical plexus and where they
originate |
1. Lesser occipital (C1)
2. Greater auricular (C2-3)
3.
Transverse cervical (C2-3)
4. Supraclavicular (C3-4) |
What does the Superficial fascia layer consist of?
What are the
three Deep Cervical fascia and their components |
Platysma, vessels, and nerves
1. Investing Layer: SCM and
Trapezius
2. Pretracheal layer: Muscular and visceral layer
3.
Prevertebral layer: between muscles and cervical region. Retropharyngeal
space |
Name the 4 suprahyoid muscles
What innervates each? |
Mylohyoid (CN V3), geniohyoid (C1 via CN XII), stylohyoid (CN VII),
digastric (anterior and posterior belly--[facial nerve] |
What does thyrohyoid do
What is this group of muscles called? |
Depresses hyoid during swallowing
Infrahyoid muscles |
Name two muscles innervated by C1-C3 region of ansa cervicalis
What
supplies innervation to sternothyroid?
What nerve innervates
Thyrohyoid? |
Sternohyoid and Omohyoid muscles
C2 and C3
C1 |
What are the borders of the mandibular triangle?
What are the 5
contents? |
Anterior and posterior digastric and mandible
Submandibular gland,
CN XII, submandibular lymph nodes, mylohyoid, facial artery and vein |
What are the boundaries of the carotid triangle?
Name the 8
contents of the carotid triangle? |
SCM, superior omohyoid, posterior digastric
Carotid sheath,
external carotid artery, hypoglossal nerve, ansa cervicalis, CN XI,
thyroid, larynx, pharynx |
What are the boundaries of the Ant. triangle?
What are the
boundries of the paired muscular triangle?
What are the components of
the muscular triangle |
Median line of neck, anterior portion of SCM, and inferior border of
mandible
Omohyoid muscle, SCM and Midline of neck
Sternothyroid,
sternohyoid, thyroid, and parathyroid |
What are the boundaries of the Posterior Triangle?
Name components
of Post. Triangle |
SCM, Trapezius and Clavicle
External Jugular artery, cervical
plexus, cervical artery, cervical lymph, Subclavian artery and vein,
supracaspular artery |
What is the looped formed from C1, C2 and C3
What is the function
of this loop?
What provides motorized innervation to the tongue |
Ansa cervicalis
Innervation to the infrahyoid muscles
CN XII.
The hypoglossal nerve |
