Thoracic Region-Atypical Thoracic T1

Question 1

What joint classifications are indentified at the vertebral body of T1?

Answer 1

fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthrosis) symphysis and synovial plane (diarthrosis arthrodia joint)
the modified synovial saddle (diarthrosis sellar) is only observed as an anatomical variation

Question 2

What are the osseous parts of the costotransverse joint?

Answer 2

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

Question 3

What ligaments support the costotransverse joint of T1?

Answer 3

the inferior and lateral costotransverse ligaments

Question 4

What ligament is absent at the costotransverse joint of T!?

Answer 4

the superior costotransverse ligament

Question 5

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

Answer 5

the second rib

Question 6

What muscles attch to the transverse process of T1?

Answer 6

lognissimus thoracis, cervicis, and capitis, semispinalis cervicis and capitis, multifidus, rotator lognus and brevis, intertransversarii, levator costarum brevis

Question 7

What is the orientation of the superior articular facet of T1?

Answer 7

they face backward, upward, and lateral (BUL)

Question 8

What is the orientation of the inferior articular facet of T1?

Answer 8

the face forward, downward,and medial (ForMeD)

Question 9

How many synovial joints are presnt at T1?

Answer 9

ten

Question 10

What is the gender bias associated with T1 as the vertebral prominence?

Answer 10

males (9%)are more likely than females (6%) to demonstrate T1 as the vertebral prominence

Question 11

What muscles attach to the spinous process of T1?

Answer 11

trapezius, rhomboid minor, serratus posterior superior, splenius capitis, spinalis thoracis, cervicis, and capitis, semispinalis thoracis, multifidus, rotator longus and brevis, interpinalis