Thoracic region Flashcards

1
Q

thoracic segments considered typical

A

T2-T8 segments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

thoracic segments considered atypical

A

T1, T9-T12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

features allowing discrimination b/w T2-T4 and T5-T8 segmental groups

A

vertebral body, transverse process, articular process and spinous process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the outline of the vertebral body of a typical thoracic from superior view

A

triangular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

on cranial view, what is the outline of the vertebral body for T5-T8 group

A

left side of vertebral body flattened, right side convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

name given to the left side appearance of the vertebral body of T5-T8

A

aortic impression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

part of the vertebral body most influenced by the aorta @ T5-T8

A

left side superior and inferior epiphyseal rims

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

height pattern of the typical thoracic vertebral body

A

posterior height greater than the anterior height by 1-2mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

height pattern of intervertebral discs in the typical thoracic region

A

intervertebral discs are rather planar or flat with no apparent height difference between anterior and posterior heights

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

principal cause of the posterior curve of the thoracic spine

A

vertebral body height differences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

terms of the anterior-posterior curves of the vertebral column, what direction will the thoracic spine face

A

posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

another way of naming a posterior curve pattern

A

kyphotic curve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

joint classification ID at the vertebral body of a typical thoracic

A

fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthorosis) symphysis and synovial plane (diarthrosis arthrodia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

synovial joints formed @ the vertebral body of a typical thoracic

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

of symphysis joints formed with the vertebral body of a typical thoracic

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

of Syndesmosis joints formed at the vertebral body of a typical thoracic

A

typically 4 ID’ed (as many as 8 if the costocentral stellate/radiate ligaments are included)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

name given to the joint formed between the vertebral body and rib

A

costocentral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

of costocentral joints formed at the vertebral body of typical thoracic

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

which demi-facets on the vertebral body of a typical thoracic is larger

A

superior costal demi-facet

20
Q

what feature will provide assistance in maintaining the stability of the intervertebral foramen in the typical thoracics

A

costocentral joint or ribs

21
Q

ligaments that support costocentral joint

A

costocentral stellate/radiate ligament and the costocentral interarticular or intra-articular ligament

22
Q

costocentral stellate/radiate ligament will attach to which segments at the T3 spinal nerve intervertebral foramen

A

vertebral body of T3 and the vertebral body of T4

23
Q

what does the costocentral intra-articular ligament connect to

A

interarticular or intra-articular crest of the head of the rib and the intervertebral disc

24
Q

size relationship between the articulating surface of the head of the rib and the costal demo-facet surface

A

the rib surface is greater than the costal demo-facet surface

25
Q

muscle(s) attached to the vertebral body of T2 or T3

A

longus colli

26
Q

position and direction of the pedicle from the typical thoracic vertebral body

A

pedicle arises from the upper third of the vertebral body and projects posterior and slightly lateral

27
Q

angulation of the pedicle in the typical thoracic region

A

10-15* posterolateral from the sagittal plane

28
Q

X-ray view used to see into the intervertebral foramen of a typical thoracic

A

lateral view

29
Q

overlap of the lamina in the typical thoracic region is called

A

shingling

30
Q

outline of the vertebral foramen in the typical thoracic region

A

oval to circular

31
Q

the plane the size of the vertebral foramen is greatest in a typical thoracic

A

transverse plane, the vertebral transverse diameter

32
Q

the direction of the transverse process in the typical thoracics

A

transverse process projects more posterior with each inferior vertebra

33
Q

present at the tip of the transverse process of a typical thoracic

A

transverse tubercle

34
Q

osseous parts of the costotransverse joint

A

transverse costal facet and the articular surface of the tubercle of a rib

35
Q

ligaments support the costotransverse joint of a typical thoracic

A

superior costotransverse, inferior costotransverse and lateral costotransverse ligaments

36
Q

distinguish between a T2-4 and a T5-8 segment using articular processes

A

@T2-4: width between superior articular processes greater than width between inferior articular processes of that vertebra

@T5-8: width between the superior articular processes is equal to or the same as the width between the inferior articular processes of that vertebra

37
Q

orientation of the SUPERIOR articular facet of typical thoracic

A

BUL (face backwards, upwards, lateral)

38
Q

orientation of the INFERIOR articular facet of a typical thoracic

A

ForMeD (face forward, medial, downward)

39
Q

of synovial joints present at a typical thoracic

A

10

40
Q

of synovial joint surfaces for RIBS on a typical thoracic

A

6

41
Q

ID synovial joint surfaces for ribs that are present on a typical thoracic

A

2 superior costal demi-facet,
2 inferior costal demi-facet,
2 transverse costal facets

42
Q

overlap of spinous processes

A

imbrication

43
Q

imbrication most prominent at what region of the thoracics

A

T5-8

44
Q

thoracic that has the longest spinous process

A

T8

45
Q

angulation of the spinous process in the typical thoracic region

A

undersurface of T2-4 spinous processes will angle up to 40* form the horizontal plane

undersurface of T5-8 spinous processes will angle up to 60* from the horizontal plane

46
Q

muscles that may attach to the spinous process of a typical thoracic

A
trapezius
latissimus dorsi
rhomboid maj.
serratus posterior superior
splenius cervicis and capitis
spinalis thoracis, cervicis, capitis
semispinalis thoracis 
multifidis
rotator longus, brevis
interspinalis
47
Q

muscle that may attach to the transverse process of a typical thoracic

A
longissimus thoracis, cervicis, capitis
semispinalis thoracis, cervicis, capitis
rotator longus, brevis
intertransversarii
levator costarum longus, brevis