Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Spinal Anatomy I - Exam 2 > Atypical Thoracic: T1 > Flashcards

Atypical Thoracic: T1 Flashcards

1
Q

Which thoracic segments are considered the atypical thoracic?

A

T1, T9-T12

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

What is the outline of the vertebral body of T1 from superior view?

A

Somewhat rectangular with curved anterior margins

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

What is the appearance of the vertebral body of T1 from the anterior view?

A

Both sides will appear to be scalloped (indented) between the epiphyseal rims

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

What is the height pattern of the T1 vertebral body?

A

The posterior height is greater than the anterior height by one to two millimeters

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

What is the appearance of the superior surface of the vertebral body of T1?

A

It is somewhat cup-shaped with elevations at the posterior and lateral margin

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

What may the elevations on the vertebral body of T1 represent?

A

Uncinate processes

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

What is the appearance of the inferior surface of the vertebral body of T1?

A

Typically flat, lacking anterior and posterior lips characteristic of the cervicals

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

What joints are identified at the vertebral body of T1?

A
  • vertebral body to the longitudinal ligaments at the epiphyseal rims
  • vertebral body to vertebral body via the intervertebral discs
  • vertebral body to the head of a rib (costocentral joint)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What joint classifications are identified at the vertebral body of T1?

A
  • fibrous (amphiarthrosis) syndesmosis
  • cartilaginous (amphiarthrosis) symphysis
  • synovial plane (diarthrosis arthrodia)
  • the modified synovial saddle (diarthrosis sellar) is only observed as an anatomical variation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are examples of fibrous (amphiarthrosis) syndesmosis joints at the T1 vertebral body?

A
  • superior and inferior epiphyseal rims to anterior longitudinal ligament
  • superior and inferior epiphyseal rims to posterior longitudinal ligament
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are examples of cartilaginous (amphiarthrosis) symphysis joints at the T1 vertebral body?

A
  • superior epiphyseal rim to intervertebral disc

- inferior epiphyseal rim to intervertebral disc

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

What are examples of synovial plane (diarthrosis arthrodia) at the T1 vertebral body?

A
  • superior costal facet to articular surface of the head of the first rib
  • inferior costal demi-facet to superior articular surface of head of the second rib
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How many synovial joints are formed at the vertebral body of T1?`

A

four normally

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

How many symphysis joints are formed with the vertebral body of T1?

A

two

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

How many syndesmosis joints are formed at the vertebral body of T1?

A

typically four are identified (as many as eight if the rib articulation is included)

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

How many joints are formed at the vertebral body of T1?

A

typically ten (fourteen if the rib ligaments are included)

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

What is the 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

How many costocentral joints are formed at the vertebral body of T1?

A

four

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

What synovial joint surfaces are present on the T1 vertebral body?

A
  • the right and left superior costal facet

- the right and left inferior costal demi-facet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the relationship between the vertebral body surface and the rib head surface in the costocentral joints of T1?

A
  • the superior costal facet of the vertebral body will joint completely with the articular surface of the head of the first rib
  • the inferior costal demi-facet of the vertebral body will joint with the superior articular surface of the head of the second rib
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the rib-vertebral body combination at the intervertebral foramen for the eighth cervical nerve?

A

the superior costal facet of T1 will joint with the articular surface of the head of the first rib

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the rib-vertebral body combination at the intervertebral foramen for the first thoracic nerve?

A
  • the inferior costal facet of T1 will joint with the superior articular surface of the head of the second rib
  • the superior costal demi-facet of T2 will joint with the inferior articular surface of the head of the second rib
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What ligament supports the costocentral joint of the first rib?

A

the costocentral stellate/radiate ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What ligaments support the costocentral joint of the second rib?

A
  • the costocentral stellate/radiate ligament

- the costocentral interarticular or intra-articular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
The costocentral stellate/radiate ligament will attach to what features?
the head of the rib and the vertebral bodies and intervertebral disc at the costocentral joint
26
The costocentral stellate/radiate ligament will attach to which segment(s) at the C8 spinal nerve intervertebral foramen?
the vertebral body of C7 and the vertebral body of T1
27
The costocentral stellate/radiate ligament will attach to which segment(s) at the T1 spinal nerve intervertebral foramen?
the vertebral body of T1 and the vertebral body of T2
28
What does the costocentral intra-articular or interarticular ligament attach to?
the interarticular or intra-articular crest of the head of the rib and the intervertebral disc
29
Which muscle(s) is/are attached to the vertebral body of T1?
longus colli
30
What is the position and direction of the pedicle from the vertebral body of T1?
the pedicle arises from the upper third of the vertebral body and projects posterior and slightly laterally
31
Which spinal nerve-vertebral notch or incisure combination is present at T1?
- C8 spinal nerve - the superior vertebral notch or incisure of T1 - T1 spinal nerve - the inferior vertebral notch or incisure of T1
32
What is the direction of the transverse process at T1?
the transverse process projects nearly straight out
33
What is present at the tip of the transverse process of T1?
the transverse tubercle
34
What is present on the transverse tubercle of T1?
the transverse costal facet
35
What is the rib-transverse process relationship for T1?
the first rib articulates with the transverse costal facet of T1
36
What is the orientation of the transverse costal facets for T1?
they face forward and outward
37
What is the classification of the costotransverse joint?
synovial plane (diarthrosis arthrodia)
38
What are the osseous parts of the costotransverse joint?
the transverse costal facet and the articular surface of the tubercle of a rib
39
What ligaments support the costotransverse joint of T1?
the inferior costotransverse and lateral costotransverse ligaments
40
What ligament is absent at the costotransverse joint of T1?
the superior costotransverse ligament
41
What ligaments attach to the transverse process of T1?
- intertransverse - capsular costotransverse - superior costotransverse - inferior costotransverse - lateral costotransverse
42
Which costotransverse joint will the superior costotransverse ligament of T1 support?
the second rib costotransverse joint
43
The superior costotransverse ligament of rib two will attach to which segmental bony feature?
the transverse process of T1
44
The superior costotransverse ligament of the transverse process of T1 will attach to which rib?
the second rib
45
The inferior costotransverse ligament of rib one will attach to which segmental bony feature?
the transverse process of T1
46
The inferior costotransverse ligament of the transverse process of T1 will attach to which rib?
the first rib
47
The lateral costotransverse ligament of rib one will attach to which segmental bony feature?
the transverse process of T1
48
The lateral costotransverse ligament of the transverse process of T1 will attach to which rib?
the first rib
49
What joint classification is associated with the intertransverse, superior costotransverse, inferior costotransverse, and lateral costotransverse ligaments?
fibrous (amphiarthrosis) syndesmosis
50
What muscles attach to the transverse process of T1?
- longissimus thoracis - longissimus cervicis - longissimus capitis - semispinalis cervicis - semispinalis capitis - multifidis - rotator longus - rotator brevis - intertransversarii - levator costarum brevis
51
Which examples of the erector spinae group attach to the transverse process of T1?
longissimus muscles
52
Which examples of the erector spinae group will not attach to the transverse process of T1?
spinalis and iliocostalis muscles
53
Which examples of the transversospinalis muscle group attach to the transverse process of T1?
semispinalis, multifidis, and rotators
54
Which specific transversospinalis muscle is absent from T1?
semispinalis thoracis
55
What is the orientation of the superior articular facet of T1?
backward, upward, lateral (BUL)
56
What is the orientation of the inferior articular facet of T1?
forward, downward, medial (ForMeD)
57
What is the curvature of the superior articular facet of T1?
they are slightly convex
58
What is the curvature of the inferior articular facet of T1?
they are slightly concave
59
What is the classification of the articular facet joint?
synovial plane (diarthrosis arthrodia)
60
How many synovial joints are present at T1?
ten
61
Identify the synovial joint surfaces present at T1.
- two superior costal facets - two inferior costal demi-facets - two transverse costal facets - two superior articular facets - two inferior articular facets
62
How many synovial joint surfaces for ribs are present at T1?
six
63
Identify the synovial joint surfaces for ribs that are present at T1.
- two superior costal facets - two inferior costal demi-facets - two transverse costal facets
64
What is the angulation of the spinous process of T1?
the undersurface of the T1 spinous process will be nearly horizontal from the horizontal plane
65
What is the name of the osseous feature at the tip of the spinous process?
the spinous tubercle
66
What ligaments attach to the spinous process of T1?
the interspinous and supraspinous ligaments
67
Ligaments attaching to the spinous process of T1 have what joint classificaion?
fibrous (amphiarthrosis) syndesmosis
68
What muscles attach to the spinous process of T1?
- trapezius - rhomboid minor - serratus posterior superior - splenius capitis - spinalis thoracis - spinalis cervicis - spinalis capitis - semispinalis thoracis - multifidis - rotator longus - rotator brevis - interspinalis
69
Of the muscles attaching to the spinous process of the thoracics, which ones will attach only to the T1 vertebral segment?
rhomboid minor
70
Which erector spinae muscles will attach to the spinous process of T1?
spinalis muscles
71
Which erector spinae muscles will not attach to the spinous process of T1?
longissimus and iliocostalis muscles
72
Which transversospinalis muscles will attach to the spinous process of T1?
semispinalis, multifidis, and rotators
73
Which of the muscles of the five layers of the true back are present at the spinous process of T1?
- trapezius - rhomboid minor - serratus posterior superior - spinalis thoracis - spinalis cervicis - spinalis capitis - semispinalis thoracis - multifidis - rotator longus - rotator brevis
74
Which muscles attaching to the spinous process of T1 are not included in any muscle layer of the true back?
splenius capitis and interspinalis
75
What joint classifications are present at the T1 vertebra?
- fibrous (amphiarthrosis) syndesmosis - cartilaginous (amphiarthrosis) symphysis - synovial plane (diarthrosis arthrodia)
76
At what parts of T1 will a fibrous (amphiarthrosis) syndesmosis joint be observed?
- vertebral body - lamina - transverse process - spinous process
77
At what part of T1 will a cartilaginous (amphiarthrosis) symphysis joint be observed?
vertebral body
78
At what parts of T1 will a synovial plane (diarthrosis arthrodia) joint be observed?
- vertebral body - transverse process - articular process

Spinal Anatomy I - Exam 2 (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions