Atypical Thoracics

Question 1

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

Answer 1

Four (normally)

Question 2

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

Answer 2

Two

Question 3

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

Answer 3

Typically four are identified

As many as eight if the rib articulation is included

Question 4

What ligament is absent at the costotransverse joint of T1?

Answer 4

The superior costotransverse ligament

Question 5

What ligaments attach to the transverse process of T1?

5

Answer 5

Intertransverse
Capsular Costotransverse 
Superior Costotransverse
Inferior Costotransverse 
Lateral Costotransverse

Question 6

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

Answer 6

Two

Question 7

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

Answer 7

Two

Question 8

How many syndesmosis joints are formed at the vertebral body of T10

Answer 8

Typically four are identified

As many as eight if the costocentral stellate/radiate ligaments are included

Question 9

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

Answer 9

Inferior costal demi-facets

Question 10

How many synovial joints are typically present at T10?

Answer 10

Eight

Question 11

How many synovial joint surfaces for ribs re typically present on T10?

Answer 11

Four

Question 12

Which rib-related facet is absent on T10?

Answer 12

Inferior costal demi-facet

Question 13

What is the topographical indication of the spinous process at T10?

Answer 13

The skin often dimples or is depressed

Question 14

What is the name given to T11?

Answer 14

The anticlinal vertebra

Question 15

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

Answer 15

Kindey-shaped of Reniform

Question 16

What joint classifications are identified at the vertebral body of T11?
(3)

Answer 16

Fibrous (amphiarthrosis) syndesmosis
Cartilaginous (amphiarthrosis) symphysis
Synovial plane (diarthrosis arthrodia)

Question 17

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

Answer 17

The costocentral interarticular or intra-articular ligament

Question 18

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

Answer 18

The transverse costal facet

Question 19

What ligaments form the costotransverse joint of T11?

Answer 19

Superior costotransverse
Inferior costotransverse (Slightly developed)
Lateral costotransverse (Slightly developed)

Question 20

What muscles attach to the transverse process of T11?

7

Answer 20

Longissimus Thoracis
Semispinalis Thoracis
Multifidis
Rotator Longus 
Rotator Brevis 
Intertransversarii
Levator Costarum Brevis

Question 21

How many synovial joints are typically present at T11?

Answer 21

Six

Question 22

What muscles attach to the spinous process of T11?

9

Answer 22

Trapezius
Latissimus Dorsi
Serratus Posterior Inferior 
Illiocostalis Lumborum
Spinalis thoracic
Multifidis
Rotator Longus
Rotator Brevis 
Interspinalis

Question 23

At which segments of the thoracic spine will the spinals muscles not attach?

Answer 23

T9, T10

Question 24

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

Answer 24

Kidney shaped or Reniform

Question 25

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

Answer 25

Two

Question 26

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

Answer 26

Two

Question 27

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

Answer 27

Four typically are identified | As many as six if the costocentral stellate/radiate ligaments are included

Question 28

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

Answer 28

Psoas Major | Psoas Minor

Question 29

What does the superior tubercle of T12 represent?

Answer 29

The mammillary process of lumbar vertebrae

Question 30

What does the inferior tubercle of T12 represent?

Answer 30

The accessory process of lumbar vertebrae

Question 31

What ligaments form the costotransverse joint of the twelfth rib?

Answer 31

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

Question 32

Which costotransverse ligament(s) lack an attachment to T12? | 4

Answer 32

Capsular costotrasnverse Superior costotransverse Inferior costotransverse Lateral costotransverse

Question 33

What muscles attach to the transverse process region of T12? | 6

Answer 33

``` Longissimus Thoracis Semispinalis Thoracis Multifidis Rotator Longus Rotator Brevis Intertransversarii ```

Question 34

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

Answer 34

T11

Question 35

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

Answer 35

T10

Question 36

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

Answer 36

Backward, upward, and lateral (BUL)

Question 37

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

Answer 37

Forward, downward, and lateral (FoLD)

Question 38

How many synovial joints are typically present at T12?

Answer 38

Six

Question 39

What muscles attach to the spinous process of T12? | 9

Answer 39

``` Trapezius Latissimus Dorsi Serratus Posterior Inferior Iliocostalis Lumborum Spinalis Thoracis Multifidis Rotator Longus Rotator Brevis Interspinalis ```