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Spinal Anatomy Exam 2 > Thoracic Region-Typical Thoracic Vertebrae T2-T8 > Flashcards

Thoracic Region-Typical Thoracic Vertebrae T2-T8 Flashcards

1
Q

Which thoracic regions are considered to be atypical thoracics?

A

T1,T9-T12

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2
Q

Waht features will allow discrimination between T2-T4 and T5-T8 segmentalgroups?

A

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

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3
Q

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

A

triangular

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4
Q

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

A

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

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5
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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6
Q

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

A

the left superior and inferior epiphyseal rims

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7
Q

What is the height pattern of the typical thoracic vertebral body?

A

the psoterior height is great than the anterior height by one to two millimeters

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8
Q

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

A

the vertebral body height differences

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9
Q

In therms of the anterior-posterior curves of the vertebralcolumn, what directionwill the thoracic spine face?

A

posterior

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10
Q

What is anothe away of naming a posterior curve pattern?

A

kyphotic curve

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11
Q

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

A

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

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12
Q

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

A

four

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13
Q

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

A

two

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14
Q

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

A

typically four are identified (as many as eight if the costocentral stellate/radiate ligaments included)

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15
Q

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

A

typically ten (fourteen if the costocentral stellate/radiate ligaments are included)

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16
Q

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

A

costocentral joint

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17
Q

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

A

four

18
Q

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

A

the superior costal demi-facet

19
Q

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

A

the costocentral joint or ribs

20
Q

What ligaments support the costocentral joints?

A

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

21
Q

The costocentral stellate/radiate ligament will attach to which segement(s) at the T3 spinal nerve intervertebral foramen?

A

the vertebral body of T3 and the vertebral boyd of T4

22
Q

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

A

the longus colli

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 overap 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 to circular

26
Q

In which plane willthe 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 costotranvserse 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

the superior costotransverse, inferior costotransverse, and lateral costotransverse ligaments

29
Q

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

A

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

30
Q

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

A

at T2-T4 the width between the superiorarticular processes is greater than the width between the inferior articular processes of that vertebra
at T5-T8 the width between the superior articular processes is equal to or the same as the width between the inferior articular processes of that vertebra

31
Q

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

A

the face backward, upward and lateral (BUL)

32
Q

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

A

the face forward, medial and downward (ForMeD)

33
Q

How many synovial joints are presenet 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

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

A

imbrication

36
Q

What is imbrication?

A

the overlap of spinous processes

37
Q

Imbrication will be more pronounced for what region of the thoracics?

A

T5-T8

38
Q

Which thoracic whas 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 degress from the horizontal plane
the undersurface of T5-8 spinous processes will angles up to sixty degress from the horizontal plane

40
Q

Which muscles will attach to the spinous process of a typical thoracic?

A

trapezius, latissimus dorsi, rhomboid major, serratus posterior superior, splenius cervicis, splenius capitis, spinalis thoracis, spinalis cervicis, spinalis capitis, semispinalis thoracis, multifidus, rotator longus, rotator brevis, and interspinalis

Spinal Anatomy Exam 2 (22 decks)

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