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exam 2 thoracics Flashcards

1
Q

Features that allow discrimination between T2-4 and T5-8 segmental groups?

A

Vertebral body, transverse process, articular process and spinous process

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2
Q

Outline of the vertebral body of typical thoracic from superior view?

A

Triangular

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3
Q

Cranial view outline of vertebral body T2-4 group

A

Vertebral body convex sides bilaterally

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4
Q

Name given to left side apperance vertebral body T5-8?

A

Aortic impression

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5
Q

Part of vertebral body most influences by aorta at T5-8?

A

Left side sup. and inf. epiphyseal rims

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6
Q

Height pattern of typical thoracic vertebral body?

A

Post. height greater than ant. height by 1-2 millimeters

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7
Q

principal cause of posterior curve of thoracic spine?

A

Vertebral body height differences

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8
Q

Anterior-posterior curves of vertebra column, direction of thoracic spine faces ___?

A

Post.

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9
Q

Another name for posterior curve pattern

A

Kyphotic curve

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10
Q

Joint Classifications at vertebral body of typical thoracic?

A

Fibrous (amphiarthrosis) syndesmosis, Cartilaginous (amphiarthrosis) symphysis, and synovial plane (diarthrosis arthrodia)

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11
Q

Number of synovial joints formed at vertebral body of typical thoracic? symphysis joints?

A

4, 2

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12
Q

How many joints formed at vertebral body of typical thoracic

A

Typically 10 (14 if costoentral stellate/radiate ligs. included)

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13
Q

Name given to joint formed between vertebral body and rib?

A

Costocentral joint

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14
Q

Which demi-facet on vertebral body of typical thoracic is larger?

A

Sup costal demi-facet

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15
Q

Ligaments supporting costocentral joint

A

Costocentral stellate/radiate lig and costocentral interarticular or intra-articular lig.

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16
Q

Costocentral intra-articular/interarticular lig. connects to…

A

Interarticular/intra-articular crest of the head of riib and IVD

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17
Q

Size relationship between articulating surface of head of rib and costal demi-facet surface

A

Rib surface is greater than costal demi-facet surface

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18
Q

Muscle(s) attaching to vertebral body T2 or T3?

A

Longus colli

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19
Q

Position and direction of pedicle from typical thoracic vertebral body

A

Pedicle arises form upper 1/3 if vertebral body and projects post. and slightly lat.

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20
Q

Angulation of pedicle in typical thoracic region

A

10-15 degrees posterolateral from sagittal plane

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21
Q

Which xray used to see intervertebral foramen of typical thoracics

A

Lat. view

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22
Q

Vertebral notch/incisure that is said to be prominant?

A

Inf. vertebral notch/incisure

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23
Q

Overlap of the lamina is called ___ in typical thoracic?

A

Shingling

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24
Q

Outline of vertebral foramen in typical thoracic region

A

Oval to circular

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25
Plane where size of vertebral foramen greatest in typical thoracic
Transverse plane, the vertebral transverse diameter
26
What is present on the transverse tubercle of typical thoracic?
Transverse costal facet
27
Osseous parts of costotransverse joint
Transverse costal facet and articular surface of tubercle of rib
28
Ligaments supporting costrotransverse joint of typical thoracic
Sup. costotransverse, inf. costotransverse, & lat. costotransverse ligs.
29
Muscles that may attach to transverse process of typical thoracic
Longissimus thoracis, cervicis, & capitis; semispinalis thoracis, cervicis, & capitis; multifidus, rotator longus, rotator brevis, intertransversarii, levator costarum longus and brevis
30
How to distinguish between T2-4 from T5-8 segment using articular process
T2-4: width between sup. articular facets is greater than width between inf. facets of that vertebra T5-8: width between sup. facets equal to/same as width between inf. facets of that vertebra
31
Angulation of articular facet of typical thoracic
10-20 degrees from coronal plane; 60 degrees from horizontal plane
32
Orientation of superior articular facet of typical thoracic? Inferior articular facet?
Face backward upward and lateral (BUL); face forward downward and medial (ForMeD)
33
number Synovial joints present at typical thoracic?
10
34
Number synovial joint surfaces for ribs present on typical thoracic
6
35
Name of region between superior and inferior articular processes in typical thoracics?
Pars interarticularis
36
Angulation of spinous process in typical thoracic
Undersurface of T2-4 spinous will angle up to 40 derees from horizontal plane undersurface for T5-8 spinous wil angle up to 60 degrees from horizontal
37
Muscles that may attach to spinous process of typical thoracic
Trapezius, latissimus dorsi, rhomboid major, serratus post. sup. , splenius cervicis, splenius capitis, spinalis thoracis, cervicis and capitis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, interspinalis
38
Muscles of the 5 layers of the true back
``` Layer1: trapezius & lat. dorsi Layer2: Rhomboids & levator scapulae Layer3: serratus post. Layer4: erector spinae Layer5: transversospinalis ```
39
How many synovial joints formed at vertebral body of T1?
4 normally
40
How many symphysis joints formed with vertebral body of T1?
2
41
How many joints are formed at T1 vertebral body?
Typically 10 (14 if rib ligaments included)
42
Ligament that is absent at costotransverse joint of T1?
Sup. costotransverse lig.
43
Ligaments attaching to transverse process of T1?
Intertransverse, capsular costotransverse, sup. costotransverse, inf. costotransverse and lat, costotransverse
44
Muscles attaching to spinous process of T1?
Rapezius, rhomboid minor, serratus post. sup., splenius capitis, spinalis thoracis, cervicis and capitis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, and interspinalis
45
Number of synovial joints at T9 vertebral body? symphysis joints?
4 synovial, 2 symphysis
46
How many joints formed at T9 vertebral body?
Typically 10 (14 if costocentral sellate/radiate ligs. included)
47
Ligaments attaching to transverse process of T9?
Intertransverse, capsular costotransverse, sup. costotransverse, inf. costotransverse, lat. costotransverse ligs.
48
Muscles attaching to spinous process of T9?
Trapezius, lat. dorsi, multifidus, rotator longus, rotator brevis, interspinalis
49
Number of synovial joints at T10 vertebral body? symphysis joints?
2 synovial , 2 symphysis
50
How many joints are typically formed at T10 vertebral body?
Typically 8 (12 if costocentral sellate/radiate ligs. included)
51
Which synovial joint surface absent from vertebral body T10?
Inf. costal demi-facet
52
Parap-articular processes more commonly observes on which segments of spine?
T10
53
Muscles attaching to transverse process of T10?
Longissimus thoracis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, intertransversarii, levstor costarum longus and brevis
54
Dimpling or depression of skin in thracic region often for which segments?
T10
55
Name for T11?
Anticlinal vertera
56
Outline of vertebral bosy of T11 on superior view?
Kidney-shaped or reniform
57
Joint classifications at T11 vertebral body?
Fibrous(amphiarthrosis) syndesmosis, cartilagenous (amphyarthrosis) symphysis, and synovial plane (diarthrosis arthodia) joint
58
costocentral joint Ligament absent for 11th rib
Costoventral interarticular or intra-articular lig.
59
Part of transverse process absent at T11?
Transvere costal facet
60
Ligaments forming costotransverse joint of T11?
Sup. costotransverse, slightly developed inf. costotransverse, and lat costotransverse ligs.
61
Muscles attaching to transverse process of T11?
Longissimus thoracis, semispinalis thoracis, multifidis, rotator longus and brevis, intertransversarii, levator costarum revis
62
Number of synovial joints typical at T11?
6
63
Muscles attaching to spinous process of T11
Trapezius, lat. dorsi, serratus post. inf. , illiocostalis lumborum , spinalis thoracis, multifidis, rotator longus and brevis, interspinalis
64
segments of thoracic spine where spinalis muscles will not attach
T9 & T10
65
outline of vertebral body T12 on superior view?
Kidney-shaped or reniform
66
Number of synovial joints at vertebral body T12? symphysis joints? syndesmosis joints?
2 synovial, 2 symphysis , typically 4 syndesmosis joints (as many as 6 if costocentral sellate/radiate ligs included)
67
Muscles attaching to vertebral body T12?
Psoas major and minor
68
What does the superior tubercle of T12 represent? inferior tubercle?
Mamillary process of lumbar vertebra, accessory process of lumbar vertebra
69
Ligaments forming costotransverse joint of 12th rib?
Sup. costotransverse lig from T11 and lumbocostal lig. from L1
70
Costotransverse ligaments attached to T12
None, no attachment of capsular, sup. inf and lat. costotransverse ligs.
71
Muscles attaching to transverse pfocess of T12?
Longissimus thoracic, semispinalis thoracis, multifidis, rotator longus and brevis, and intertransversarii
72
Segment that is last to demonstrate levator costarum brevis attachment? for levator costarum longus?
T11; T10
73
Orientation of superior articular facets of T12? inferior articular facets?
Face backward, upward and lateral (BUL); face forward downward and lateral (FoLD)
74
Number of synovial joints at T12
6
75
Generic aooerance of spinous process of T12?
Lumbar-like, similar in length to T11
76
Muscles attaching to spinous process of T12?
Trapezius, lat. dorsi, serratus post inf, iliocostalis lumborum, spinalis thoracis, multfidis, rotator longus and brevis, and interspinalis

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