Atypical Thoracic T9

Question 1

What joint classifications are identified at the vertebral body of T9?

Answer 1

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

Question 2

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

Answer 2

four

Question 3

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

Answer 3

two

Question 4

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

Answer 4

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

Question 5

Which synovial joint surfaces may be absent from the vertebral body of T9?

Answer 5

inferior costal demi-facets

Question 6

What ligaments attach to the transverse process of T9?

Answer 6

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

Question 7

The superior costotransverse ligament of T9 will attach to what rib?

Answer 7

the 10th rib

Question 8

Which muscles attach to the transverse process of T9?

Answer 8

the longissimus thoracic, semispinalis thoracic, multifidis, rotator longus, rotator braves, intertransversarii, elevator costar longus and elevator costar brevis

Question 9

Which is the last thoracic vertebra to have an inferior costal demi-facet?

Answer 9

T9

Question 10

What muscles arch to the spinous process of T9?

Answer 10

the trapezius, latissimus doors, multifidis, rotator longus, rotator braves and interspinalis

Question 11

Which muscles are conspicuously absent at the T9 spinous process?

Answer 11

spinalis and semispinalis