Lecture 1.3

Question 1

What important muscle subdivides the Neck

Answer 1

Sternomastoid

(OR sterocladomastoid)

Question 2

What unique features are there in cervical vertebrae?

Answer 2

the transverse process has a foramen (hole) - which transmits nerves and arteries (vertebral artery)

Bifid spinous process

Uncinate process - guides movement

Question 3

There can be an extension of the ____ process in cervival vertebrae

Answer 3

costal

(variations - remnants of the ribs)

Question 4

Atypical cervical vertebrae

Atlas has:

Facet for dens

Saucer shaped upper surfaces for occipital condyles

long transverse process

Answer 4

Atypical cervical vertebrae

Atlas has

Facet for ____

Saucer shaped upper surfaces for _______ condyles

long ________ process

Question 5

Where are the points of interaction between the atlas and axis?

Question 6

The thickest discs are in the _______ spine

Answer 6

cervical

Question 7

The Ligamentum Nuchae gets _______ as it goes into the neck

Answer 7

The igamentum Nuchae gets stronger as it goes into the neck

very powerful

Question 8

All ligaments between atlas and axis resist movement in the _________ plane

Answer 8

sagittal

Question 9

Holding the dens against the anterior arch of the altas is the __________ligament

Its responsible for holding the dens in position

prevents posterior translation of dens into _______ _____

Answer 9

transverse ligament

“probably most important ligament in the body

prevents posterior translation of dens into vertebral canal

Question 10

The Alar ligament attaches side of the ___ to the inside of the _______bone

a “check” ligament - check range of motion

Answer 10

The Alar ligament attaches side of the dens to the inside of the occipital bone

a “check” ligament - check range of motion

Question 11

Fun fact: most common disloactin at the shoulder?

Answer 11

anterior/inferior

Question 12

Facet joints are plane synovial joints, orientated at ___ degrees

Answer 12

Facet joints are plane synovial joints, orientated at 45 degrees

Question 13

Deep to the skin in the neck is Superficial _____, followed by Deep _____ ____ with 4 Layers:

1. _______layer
2. Pretracheal layer
3. ______ layer
4. _______ sheath

Answer 13

Deep to the skin in the neck is Superficial fascia, followed by Deep cervical fascia with 4 Layers:

1. Investing layer
2. Pretracheal layer
3. prevertebral
4. carotid sheath

Question 14

The _______ (muscle) seperates anterior from posterior triangles in the neck

Answer 14

The sterno(cleido)mastoid seperates anterior from posterior triangles

Question 15

What are the actions of the Sterno(cleido)mastoid:

Answer 15

Bilaterally: flex neck

Unilaterally: laterally flexes to same side and rotates to oppoiste side

Question 16

The Hyoid bone is responsible for:

Answer 16

Stabilising adjacent structures

Question 17

Which muscles are responsible for maintaining the head in a upright structure?

Answer 17

Postvertebral muscles