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Spinal Exam 2 ZK > VI: Thoracic and Dorsal Region: Typical Thoracics: T2-T8 > Flashcards

VI: Thoracic and Dorsal Region: Typical Thoracics: T2-T8 Flashcards

1
Q

Which thoracic segments are considered the typical thoracics?

A

T2-T8 segments

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2
Q

Which thoracic segments are considered the atypical thoracics?

A

T1, T9-T12

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3
Q

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

A

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

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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 is the height pattern of the typical thoracic vertebral body?

A

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

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6
Q

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

A

the vertebral body height differences

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7
Q

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

A

posterior

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8
Q

What is another way of naming a posterior curve pattern?

A

kyphotic curve

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9
Q

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

A

vertebral body to anterior longitudinal ligament at the epiphyseal rims
vertebral body to posterior longitudinal ligament at the epiphyseal rims
vertebral body to vertebral body via the intervertebral
vertebral body to capitulum of a rib (costocentral joint)

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10
Q

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

A

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

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11
Q

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

A

four

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12
Q

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

A

two

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13
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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14
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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15
Q

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

A

the costocentral joint or ribs

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16
Q

What is the rib - vertebral body combo. at the intervertebral foramen for the ______ nerve? Lets use the T6 nerve.

A

the inferior costal demi-facet of T6 will joint with the superior articular surface of the head of the seventh rib
the superior costal demi-facet of T7 will joint with the inferior articular surface of the head of the seventh rib

17
Q

What ligaments support the costocentral joint?

A

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

18
Q

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

A

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

19
Q

How do the transverse diameters of the articular processes compare in the T2-T4 region?

A

the superior articular process transverse diameter is greater than the inferior articular process transverse diameter for a given segment

20
Q

How do the transverse diameters of the articular processes compare in the T5-T8 region?

A

the superior articular process transverse diameter is the same as or equal to the inferior articular process transverse diameter for a given segment

21
Q

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

A

BUL

22
Q

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

A

ForMeD

23
Q

How many synovial joint surfaces present at a typical thoracic?

A

ten

24
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

25
Q

What muscles may 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

26
Q

Which muscles attaching to the spinous process of a typical thoracic are not included in any muscles layer of the true back?

A

splenius cervicis, splenius capitis and interspinalis

27
Q

What joint classifications are present at every typical thoracic vertebra?

A

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

Spinal Exam 2 ZK (29 decks)

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