Thoracic region Flashcards

1
Q

What features will allow discrimination between T2-T4 and T5-T8 segmental processes

A

The vertebral body, transverse process, articular process and spinous process

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2
Q

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

A

Triangular

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3
Q

On cranial view what is the outline of the vertebral body for the T5-T8

A

the left side of the vertebral body will be flattened, the right side convex

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4
Q

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

A

the aortic impression

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5
Q

What part of the vertebral body is most influenced by the aorta at T5-T8

A

the left side superior and inferior epiphyseal rims

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6
Q

What is the height pattern of intervertebral disc in the typical thoracic region

A

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

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7
Q

What is the principal cause of the posterior curve of the thoracic spine

A

the vertebral body height difference

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8
Q

What is another way of naming a posterior curve pattern

A

A kyphotic curve

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9
Q

What joint classifications are identified at the veretebral body of a typical thoracic

A

Fibrous syndesmosis
Cartilaginous symphysis
Synovial plane

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10
Q

How many synovial joints are formed at the vertebral body of a typical thoracic

A

Four

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11
Q

How many symphysis joints are formed with the vertebral body of a typical thoracic

A

two

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12
Q

How many syndesmosis joints are formed at the vertebral body of a typical thoacic

A

Typically ten

14 is the costocentral + Stellate ligaments are included*

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13
Q

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

A

Costocentral joint

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14
Q

How many costocentral joints are formed at the vertebral body of a typical thoracic

A

Four

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15
Q

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

A

The superior costal demi-facet

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16
Q

What features will provide assistance in maintaining the stability of the intervertebral foramen in the typical thoracics

A

The costocentral joint of ribs

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17
Q

What ligaments support the costocentral joint

A

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

18
Q

What does the costocentral intra-articular or interarticualr ligament connect to

A

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

19
Q

What is the size relationship between the articulating surface of the head of the rib and the costal demi-facet surface

A

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

20
Q

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

A

The longus coli

21
Q

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

A

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

22
Q

What is the angulation of the pedicle in the typical thoracic region

A

ten to fifteen degrees posterolateral from the sagittal plane

23
Q

Which x-ray view is used to see into the intervertebral foramen of a typical thoracic

A

the lateral view

24
Q

What is overlap of the lamina called in the typical thoracic region

A

Shingling

25
Q

What is the outline of the vertebral foramen in the typical thoracic region

A

Oval or Circular

26
Q

In which plane will the size of the vertebral foramen of a typical thoracic be greatest

A

The transverse plane, the vertebral transverse diameter

27
Q

What are the osseous parts of the costotransverse joint

A

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

28
Q

What ligaments support the costotransverse joint of a typical thoracic

A

Superior costotransverse
inferior transverse
lateral costotransverse

29
Q

Which muscles may attach to the transverse process of a typical thoracic

A
longissimus thoracic
longissimus cervicis
longissimus capitis
semispinalis thoracic
semispinalis cervicis
semispinalis capitis
multifidis
rotator longus
rotator brevis
intertransversarii
levator costarum longus
levator costarum brevis
30
Q

How can you distinguish the difference between T2-T4 from T5-T8 segment using the articular process

A

T2-T4 the width between superior articular process is greater than the width between the inferior articular process

T5-T8: The width between superior articular process is the same as the width between the inferior articular process

31
Q

What is the orientation of the superior articular facet of a typical thoracic

A

They face backward, upward, lateral (BUL)

32
Q

What is the orientation of the inferior articular facet of a typical thoracic

A

They face forward, downward and medial (ForMeD)

33
Q

How many synovial joints are present at a typical thoracic

A

Ten

34
Q

How many synovial joint surfaces for ribs are present on a typical thoracic

A

six

35
Q

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

A

Two superior costal demi-facets
two inferior costal-demi facets
Two transverse costal facets

36
Q

What is the name given to the overlap of spinous process in the thoracic region

A

Imbrication

37
Q

Imbrication will be more pronounced for what region of the thoracics

A

T5-T8

38
Q

Which thoracic has the longest spinous process

A

T8

39
Q

What is the angulation of the spinous process in the typical thoracic region

A

The undersurface of T2-T4 spinous processes will angle up to forty degrees from the horizontal plane
The undersurface of T5-T8 spinous processes will angle up to sixty degrees from the horizontal plane

40
Q

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

A
The trapezius
Latissimus dorsi
rhomboid major
serratus posterior superior
splenius cervicis
splenius thoracics
spinalis cervicis
spinalis capitis
semispinalis thoracis
multifidis
rotator longus
rotator brevis
interspinalis