Lecture 1.3 Flashcards Preview

Human Locomotor Systems > Lecture 1.3 > Flashcards

Flashcards in Lecture 1.3 Deck (17):
1

What important muscle subdivides the Neck

Sternomastoid

(OR sterocladomastoid)

2

What unique features are there in cervical vertebrae?

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

Bifid spinous process

Uncinate process - guides movement

 

3

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

costal

 

(variations  - remnants of the ribs)

4

Atypical cervical vertebrae

Atlas has:

Facet for dens

Saucer shaped upper surfaces for occipital condyles

long transverse process

Atypical cervical vertebrae

Atlas has

Facet for ____

Saucer shaped upper surfaces for _______ condyles

long ________ process

5

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

6

The thickest discs are in the _______ spine

cervical

7

The Ligamentum Nuchae gets _______ as it goes into the neck

The igamentum Nuchae gets stronger as it goes into the neck

 

very powerful

8

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

sagittal

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 _______  _____

 

transverse ligament

 

 

"probably most important ligament in the body

 

 

prevents posterior translation of dens into vertebral canal

10

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

 

a "check" ligament - check range of motion

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

a "check" ligament - check range of motion

11

Fun fact: most common disloactin at the shoulder?

 

 

anterior/inferior

12

Facet joints are plane synovial joints, orientated at ___ degrees

Facet joints are plane synovial joints, orientated at 45 degrees

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

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

14


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


The sterno(cleido)mastoid seperates anterior from posterior triangles

15

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

 

 

Bilaterally: flex neck

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

 

16

The Hyoid bone is responsible for:

Stabilising adjacent structures

17

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


Postvertebral muscles