PreLab Lecture 1 Flashcards Preview

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Flashcards in PreLab Lecture 1 Deck (31)
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1
Q

What is the os coxa composed of?

A

Ischium, iilum + pubis

2
Q

How many of each vertebrae?

A
Cervical (7)
Thoracic (12)
Lumbar (5)
Sacral (5)
Coccyx (3-5)
3
Q

What are the boundaries of the IV foramen?

A

Superior - Pedicle
Inferior- Pedicle
Anterior- Body + disc
Posterior- facet joints

4
Q

How to ID cervical/thoracic/lumbar?

A

Cervical has a V at the end of spinosus process (legs)

Thoracic has COSTAL facet (ribs)

Lumbar-> mammillary process

5
Q

What level is the scapular spine?

A

T3 spinosus process

6
Q

What level is the iliac crest?

A

L4 spinous process

7
Q

What is inferior border of the scapula level?

A

T7 spinosus process

8
Q

What level is the spinous process?

A

C7

9
Q

What level is the posterior superior iliac spine?

A

S2 spinous process

10
Q

What kind of joints are the intervertebral?

A

Discs + vertebral bodies

Cartilaginous joints

11
Q

What kind of joints are the zygapophyseal or facet joints

A

synovial plane joints

12
Q

Where are there no intervertebral discs?

A

between skull + c1

C1+ C2

13
Q

What are intervertebral discs reinforced by?

A

Anterior + posterior longitudinal ligaments

14
Q

What is the composition of a a disc?

A

Outer ANNULUS FIBROSUS (OAF)

Inner NUCLEUS PULPOSUS (INP)

15
Q

What ligament covers the anterior vertebral body?

A

Anterior longitudinal ligament

16
Q

What ligament covers he posterior vertebral body?

A

Posterior longitudinal ligament

17
Q

What emerges from the IV foramen?

A

Spinal nerve

18
Q

What does the supraspinous ligament cover?

A

The spinous processes tips

19
Q

What doe the interspinous ligaments cover?

A

The lower edges of the spinous process to the upper ledge of the other

20
Q

What is ligament flavum?

A

Between adjacent laminae

21
Q

What are facet joints called?

A

zygapophyseal

22
Q

What are the layers of the spinal cord from exterior to interior?

A

Dura -> Arachnoid -> PIa

23
Q

*TAG

What are denticulate ligaments?

A

Extensions of pia anchored into dura

24
Q

What limit does the spinal cord stop at? What is it called?

A

L2; conus medullar is

25
Q

What limit does dural sac (mater) stop at?

A

S2

26
Q

Where is conus medullaris

A

L2

27
Q

What is filum terminal?

A

internal terminal filum of pia

28
Q

What is the cauda equina?

A

Roots of spinal nerves + filum terminal

29
Q

What do dorsal rami innervate on the back

A
  • Skin over middle 2/3 of back
  • Deep back muscles
  • Facet joints (joint capsules)
  • Posterior ligaments
30
Q

What are the superficial back muscles not innervated by dorsal rami?

A
  • Trapezius
  • Latissimus dorsi
  • Rhomboids
  • Levator scapulae
31
Q

What are the erector spinae?
Innervation?
ActionS

A

Deep back muscles
Innervated by dorsal rami

Action: bilateral contraction (extension of spine + head)

Unilateral: ipsilateral bending + ipsilateral rotation