Regions of the Vertebral Column: Thoracic Region (Atypical Thoracic Vertebrae T1, T9-T12) Flashcards Preview

Spinal Anatomy > Regions of the Vertebral Column: Thoracic Region (Atypical Thoracic Vertebrae T1, T9-T12) > Flashcards

Flashcards in Regions of the Vertebral Column: Thoracic Region (Atypical Thoracic Vertebrae T1, T9-T12) Deck (46):
1

How many synovial joints are formed at the vertebral body of T1?

Four normally

2

How many symphysis joints are formed with the vertebral body of T1?

Two

3

How many joints are formed at the vertebral body of T1?

Typically ten (fourteen if the rib ligaments are included)

4

What ligament is absent at the costotransverse joint of T1?

The superior costotransverse ligament

5

What ligaments attach to the transverse process of T1?

Intertransverse, capsular costotransverse, superior costotransverse, inferior costotransverse, and lateral costotransverse

6

What muscles attach to the spinous process of T1?

The trapezius, rhomboid minor, serratus posterior superior, splenius capitis, spinalis thoracis, spinalis cervicis, spinalis capitis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, interspinalis

7

How many synovial joints are formed at the vertebral body of T9?

Four

8

How many symphysis joints are formed with the vertebral body of T9?

Two

9

How many joints are typically formed at the vertebral body of T9?

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

10

What ligaments attach to the transverse process of T9?

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

11

What muscles attach to the spinous process of T9?

The trapezius, latissimus dorsi, multifidis, rotator longus, rotator brevis, and interspinalis

12

How many synovial joints are formed at the vertebral body of T10?

Two

13

How many symphysis joints are formed with the vertebral body of T10?

Two

14

How many joints are typically formed at the vertebral body of T10?

Typically eight (twelve if the costocentral stellate/radiate ligaments are included)

15

Which synovial joint surface is absent from the vertebral body of T10?

Inferior costal demi-facets

16

Para-articular processes are more commonly observed on which segment of the spine?

T10

17

What muscles attach to the transverse process of T10?

Longissimus thoracis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, intertransversarii, levator costarum longus, and levator costarum brevis

18

A dimpling or depression of the skin in the thoracic region is often characteristic of the location of which segment?

T10

19

What name is given to T11?

The anticlinal vertebra

20

What is the outline of the vertebral body of T11 on superior view?

Kidney-shaped or reniform

21

What joint classifications are identified at the vertebral body of T11?

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

22

Which ligament of the costocentral joint is absent for the eleventh rib?

The costocentral interarticular or intra-articular ligament

23

What part of the transverse process is absent present on T11?

The transverse costal facet

24

What ligaments form the costotransverse joint of T11?

The superior costotransverse, and slightly developed inferior costotransverse and lateral costotransverse ligaments

25

What muscles attach to the transverse process of T11?

Longissimus thoracis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, intertransversarii, and levator costarum brevis

26

How many synovial joints are typically present at T11?

Six

27

What muscles attach to the spinous process of T11?

Trapezius, latissimus dorsi, serratus posterior inferior, iliocostalis lumborum, spinalis thoracis, multifidis, rotator longus, rotator brevis, and interspinalis

28

At which segments of the thoracic spine will the spinalis muscle not attach?

T9, T10

29

What is the outline of the vertebral body of T12 on superior view?

Kidney-shaped or reniform

30

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

Two

31

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

Two

32

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

Four are typically identified (as many as six if the costocentral stellate/radiate ligaments are included)

33

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

Psoas major and psoas minor

34

What does the superior tubercle of T12 represent?

The mammillary process of lumbar vertebrae

35

What does the inferior tubercle of T12 represent?

The accessory process of lumbar vertebrae

36

What ligaments form the costotransverse joint of the twelfth rib?

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

37

Which costotransverse ligament(s) are attached at T12?

None; the capsular, superior, inferior, and lateral costotransverse ligaments lack an attachment to T12

38

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

Capsular costotransverse, superior costotransverse, inferior costotransverse, and lateral costotransverse ligaments

39

What muscles attach to the transverse process region of T12?

The longissimus thoracis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, and intertransversarii

40

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

T11

41

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

T10

42

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

They face backward, upward, and lateral (BUL)

43

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

They face forward, downward, and lateral (FoLD)

44

How many synovial joints are typically present at T12?

Six

45

What is the generic appearance of the spinous process of T12?

Lumbar-like, similar in length to T11

46

What muscles attach to the spinous process of T12?

The trapezius, latissimus dorsi, serratus posterior inferior, iliocostalis lumborum, spinalis thoracis, multifidis, rotator longus, rotator brevis, and interspinalis

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