Thoraic Region-Atypical Thoraic T12 Flashcards Preview

Spinal Anatomy Exam 2 > Thoraic Region-Atypical Thoraic T12 > Flashcards

Flashcards in Thoraic Region-Atypical Thoraic T12 Deck (25)
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1
Q

How many synovial joints are formed at the vertebral body of T12?

A

two

2
Q

How many symphysis joints are formed with the vertebral body of T12?

A

two

3
Q

How many joints are typically formed at the vertebral body of T12

A

typically eight (ten if the costocentral stellate/radiate ligament are included)

4
Q

Which muscle(s) is attached to the vertebral body of T12?

A

posas major and psoas minor

5
Q

What does the lateral tubercle of T12 represent?

A

the transverse process

6
Q

What does the superior tubercle of T12 represent?

A

the mamillary process of lumbar vertebrae

7
Q

What does the inferior tubercle of T12 represent?

A

the accessory process of lumbar vertebrae

8
Q

What is the location of the lateral tubercle?

A

it projects laterally from the pars interarticularis of T12

9
Q

Which ligaments form the costotransverse joint of the twelth rib?

A

the superior costotransverse ligament from T11 and the lumbocostal ligament from L1

10
Q

Which costotransverse ligament(s) are attached at T12?

A

none; the capsular, superior, inferior, and Tcostotransverse ligaments lack an attachment to T12

11
Q

What muscles attach to the transverse process region of T12?

A

the longissimus thoracis, semispinalis thoracis, multifidus, rotator longus, rotator brevis, and intertransversarii

12
Q

Which segment is the last to demonstrate a levator costarum brevis attachment?

A

T11

13
Q

Which segment is last to demonstrate a levator costarum longus attachment?

A

T10

14
Q

What is the orientation of the superior articular facets of T12?

A

the face backward, upward, and lateral (BUL)

15
Q

What is the orientation of the inferior articulart facets of T12?

A

they face forward, downward, and lateral (FoLD)

16
Q

How many synovial joints are typically present at T12?

A

six

17
Q

What muscles attach to the spinous process of T12?

A

the trapezius, latissimus dorsi, serratus posterior inferior, illiocostalis lumborum, spinalis thoracis, multifidus, rotator longus, rotator brevis, and interspinalis

18
Q

What muscle(s) attaching to the T12 spinous process are representative of layer one?

A

serratus posteior inferior

19
Q

What joint classifications are present at T12?

A

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

20
Q

What is another way of naming a posterior curve pattern?

A

a kyphotic curve

21
Q

What joint classifications are identified at the vertebral body of T12?

A

fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthorsis) symphysisand synovial plane (diarthosis arthrodia)

22
Q

Which costotransverse ligament(s) lack an attachment to T12?

A

capsular costotransverse, superior costotransverse, inferior costotransverse and lateral costotransverse ligaments

23
Q

Which rib-associated muscle is absent at the transverse process region T12?

A

levator costarum

24
Q

Identify the synovial joint surfaces typically present on T12

A

two superior costal facets, two superior articular facets, two inferior articular facets

25
Q

Which erector spinae muscle is unique in its attachment to the T12 spinous process?

A

ilicostalis lumborum