Atypical Thoracic: T10 Flashcards Preview

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Flashcards in Atypical Thoracic: T10 Deck (66)
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1
Q

What is the height pattern of the T10 vertebral body?

A

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

2
Q

What joint classifications are identified at the vertebral body of T10?

A
  • fibrous (amphiarthrosis) syndesmosis
  • cartilaginous (amphiarthrosis) symphysis
  • synovial plane (diarthrosis arthrodia)
3
Q

What joints are identified at the vertebral body of T10?

A
  • vertebral body to the longitudinal ligs. at the epiphyseal rims
  • vertebral body to vertebral body via the intervertebral discs
  • vertebral body to head of a rib (costocentral joint)
4
Q

What are the examples of fibrous (amphiarthrosis) syndesmosis joints at the T10 vertebral body?

A
  • superior and inferior epiphyseal rim to anterior longitudinal ligament
  • superior and inferior epiphyseal rim to posterior longitudinal ligament
5
Q

What are the examples of cartilaginous (amphiarthrosis) symphysis joints at the T10 vertebral body?

A

superior and inferior epiphyseal rims to intervertebral disc

6
Q

What are the examples of synovial plane (diarthrosis arthrodia) joints at the T10 vertebral body?

A

superior costal demi-facet to inferior articular surface of the rib head (left and right)

7
Q

How many synovial joints are formed at the vertebral body of T10?

A

2

8
Q

How many symphysis joints are formed at the vertebral body of T10?

A

2

9
Q

How many syndesmosis joints are formed at the vertebral body of T10?

A

typically 4 are identified (as many as 8 if the costocentral stellate/radiate lig. are included)

10
Q

How many joints are typically formed at the vertebral body of T10?

A

typically 8 (12 if the costocentral stellate/radiate lig. are included)

11
Q

How many costocentral joints are typically formed at the vertebral body of T10?

A

2

12
Q

What synovial joint surfaces are present on the vertebral body of T10?

A

right and left superior costal facets

13
Q

Which synovial joint surface is absent from the vertebral body of T10?

A

inferior costal demi-facets

14
Q

What is the relationship between the vertebral body surface and the rib head/capitulum surface for the costocentral joint of T10?

A

the superior costal facet of T10 will joint with the inferior articular surface of the head of the 10th rib

15
Q

How does the superior costal facet compare with those of T9?

A

it is larger

16
Q

What feature will provide assistance in maintaining the stability of the intervertebral foramen at T10?

A

costocentral joint or ribs

17
Q

Which rib-vertebral body combination is typically present at the intervertebral foramen for the ninth thoracic nerve?

A
  • the inferior costal demi-facets of T9 may joint with the small superior articular surfaces on the head of the tenth rib
  • the superior costal facets of T10 will joint with the large inferior articular surfaces on the head of the tenth rib
18
Q

Which rib-vertebral body combination is typically present at the intervertebral foramen for the tenth thoracic nerve?

A

the superior costal facet of T11 will joint with the articular surface of the head of the 11th rib

19
Q

The costocentral stellate/radiate lig. will attach to which segments at the T9 spinal nerve intervertebral foramen?

A
  • vertebral body of T9

- vertebral body of T10

20
Q

The costocentral stellate/radiate lig. will attach to which segments at the T10 spinal nerve intervertebral foramen?

A
  • vertebral body of T10

- vertebral body of T11

21
Q

Which muscles will attach to the vertebral body of T10?

A

none

22
Q

What is the position and direction of the pedicle from the vertebral body at T10?

A

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

23
Q

What feature is very commonly observed on the lamina of T10?

A

para-articular process

24
Q

What is present at the tip of the transverse process of T10?

A

transverse tubercle

25
Q

What is present on the transverse tubercle of T10?

A

transverse costal facet

26
Q

What part of the transverse process may be absent on T10?

A

transverse costal facet

27
Q

What is the rib-transverse process relationship for T10?

A

the 10th rib articulates with the T10 transverse process

28
Q

What is the orientation of the transverse costal facets for T10?

A

forward, outward, and upward

29
Q

What ligaments support the costotransverse joint of T10?

A
  • superior costotransverse lig.
  • inferior costotransverse lig.
  • lateral costotransverse lig.
30
Q

Which costotransverse joint will the superior costotransverse lig. of T10 support?

A

11th rib costotransverse joint

31
Q

The superior costotransverse lig. of rib 10 will attach to which segmental bony feature?

A

transverse process of T9

32
Q

The superior costotransverse lig. of the transverse process of T10 will attach to which rib?

A

11th rib

33
Q

The inferior costotransverse lig. of rib 10 will attach to which segmental bony feature?

A

transverse process of T10

34
Q

The inferior costotransverse lig. of the transverse process of T10 will attach to which rib?

A

10th rib

35
Q

The lateral costotransverse lig. of rib 10 will attach to which segmental bony feature?

A

transverse process of T10

36
Q

The lateral costotransverse lig. of the transverse process of T10 will attach to which rib?

A

10th rib

37
Q

What lig. attach to the transverse process of T10?

A
  • intertransverse lig.
  • capsular costotransverse lig.
  • superior costotransverse lig.
  • inferior costotransverse lig.
  • lateral costotransverse lig.
38
Q

Which muscles attach to the transverse process of T10?

A
  • longissimus thoracis
  • semispinalis thoracis
  • multifidis
  • rotator longus
  • rotator brevis
  • intertransversarii
  • levator costarum longus
  • levator costarum brevis
39
Q

Which erector spinae muscle attaches to the transverse process of T10?

A

longissimus thoracis

40
Q

Which erector spinae muscles will not attache to the transverse process of T10?

A

spinalis and iliocostalis muscles

41
Q

Which transversospinalis muscles attach to the transverse process of T10?

A
  • semispinalis thoracis
  • multifidis
  • rotator longus
  • rotator brevis
42
Q

What is the orientation of the superior articular facets of T10?

A

backward, upward, and lateral (BUL)

43
Q

What is the orientation of the inferior articular facets of T10?

A

forward, downward, and medial (ForMeD)

44
Q

What is the curvature of the superior articular facets of T10?

A

slightly convex

45
Q

What is the curvature of the inferior articular facets of T10?

A

slightly concave

46
Q

How may synovial joints are typically present at T10?

A

8

47
Q

Identify the synovial joint surfaces typically present on T10.

A
  • two superior costal facets
  • two transverse costal facets
  • two superior articular facets
  • two inferior articular facets
48
Q

How many synovial joint surfaces for ribs are typically present on T10?

A

4

49
Q

Identify the synovial joint surfaces for ribs that are typically present on T10.

A
  • two superior costal facets

- two transverse costal facets

50
Q

Which rib related facet may be absent on T10?

A

inferior costal demi-facet

51
Q

What is the orientation of the spinous process of T10?

A

posterior and slightly inferior, it will shorten and become more horizontal

52
Q

What is the length of the spinous process of T10?

A

it will shorten significantly from the long spinous process of T9

53
Q

What is the generic appearance of the spinous process of T10?

A

shorter and more horizontal than the T9 spinous process

54
Q

What is the topographical indication of the spinous process of T10?

A

the skin often dimples or is depressed

55
Q

What ligaments attach to the spinous process of T10?

A
  • interspinous lig.

- supraspinous lig.

56
Q

What joint classification is associated with lig. attaching to the T10 spinous process?

A

fibrous (amphiarthrosis) syndesmosis

57
Q

What muscles attach to the spinous process of T10?

A
  • trapezius
  • latissimus dorsi
  • multifidis
  • rotator longus
  • rotator brevis
  • interspinalis
58
Q

Which erector spinae muscles will not attach to the spinous process of T10?

A
  • spinalis
  • longissimus
  • iliocostalis
59
Q

Which transversospinalis muscles attach to the spinous process of T10?

A
  • multifidis

- rotators

60
Q

Which of the muscles of the 5 layers of the true back are present at the T10 spinous process?

A
  • trapezius
  • latissimus dorsi
  • multifidis
  • rotator longus
  • rotator brevis
61
Q

Which of the transversospinalis muscle groups is absent at the T10 spinous process?

A

semispinalis

62
Q

Which muscle layers of the true back are represented at the T10 spinous process?

A

layers one and five

63
Q

What joint classifications are present at T10?

A
  • fibrous (amphiarthrosis) syndesmosis
  • cartilaginous (amphiarthrosis) symphysis
  • synovial plane (diarthrosis arthrodia)
64
Q

At what parts of T10 will fibrous (amphiarthrosis) syndesmosis joints be observed?

A
  • vertebral body
  • lamina
  • transverse process
  • spinous process
65
Q

At what part of T10 will cartilaginous (amphiarthrosis) symphysis joints be observed?

A

vertebral body

66
Q

At what parts of T10 will synovial plane (diarthrosis arthrodia) joints be observed?

A
  • vertebral body
  • transverse process
  • articular process