Day 22 (Atypical Thoracic: T1, T9, T10)

Question 1

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

Answer 1

typically ten (fourteen if the rib ligaments included)

Question 2

The costocentral stellate/radiate ligament will attach to which segment(s) at the C8 spinal nerve intervertebral foramen?

Answer 2

the vertebral body of C7 and the vertebral body of T1

Question 3

The costocentral stellate/radiate ligament will attach to which segment(s) at the T1 spinal nerve intervertebral foramen?

Answer 3

the vertebral body of T1 and the vertebral body of T2

Question 4

What are the osseous parts of the costotransverse joint?

Answer 4

the transverse costal facet and the articular surface of the tubercle of a rib

Question 5

What ligaments support the costotransverse joint of T1?

Answer 5

the inferior costotransverse and lateral costotransverse ligaments

Question 6

What ligament is absent at the costotransverse joint of T1?

Answer 6

the superior costoransverse ligament

Question 7

The superior costotransverse ligament of the transverse process of T1 will attach to which rib?

Answer 7

the second rib

Question 8

What muscles attach to the transverse process of T1?

Answer 8

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

Question 9

How many synovial joints are present at T1?

Answer 9

ten

Question 10

What muscles attach to the spinous process of T1?

Answer 10

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

Question 11

Which muscles attach to the transverse process of T9?

Answer 11

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

Question 12

How many synovial joints are typically present at T9?

Answer 12

ten

Question 13

How many synovial joint surfaces for ribs are typically present on T9?

Answer 13

six

Question 14

What muscles attach to the spinous process of T9?

Answer 14

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

Question 15

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

Answer 15

two

Question 16

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

Answer 16

two

Question 17

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

Answer 17

typically four are identified (as many as eight if the costocentral stellate/radiate ligaments are included)

Question 18

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

Answer 18

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

Question 19

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

Answer 19

inferior costal demi-facets

Question 20

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

Answer 20

T10

Question 21

The superior costotransverse ligament of the T10 transverse process will attach to which rib?

Answer 21

the eleventh rib

Question 22

What muscles attach to the transverse process of T10?

Answer 22

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

Question 23

How many synovial joints are typically present at T10?

Answer 23

eight

Question 24

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

Answer 24

four

Question 25

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

Answer 25

T10

Question 26

What muscles attach to the spinous process of T10?

Answer 26

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

Question 27

What joint classifications are present at T10?

Answer 27

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