Atypical Thoracic: T12 Flashcards
How many synovial joints are formed at the vertebral body of T12?
2
How many symphysis joints are formed with the vertebral body of T12?
2
How many joints are typically formed at the vertebral body of T12?
8
10 if costocentral stellate/radiate ligaments
Which muscles are attached to the vertebral body of T12?
Psoas Major and Minor
What does the lateral tubercle of T12 represent?
Transverse Process
What does the superior tubercle of T12 represent?
Mammilary Process of Lumbar Vertebrae
What does the inferior tubercle of T12 represent?
Accessory Process of Lumbar Vertebrae
Which is the smallest of the tubercles at the transverse process region of T12?
Inferior Tubercle
What joint surface of the typical thoracic transverse process is absent on T12?
Transverse costal facet
What ligaments form the costotransverse joint of the 12th Rib?
Superior Costotransverse Ligament from T11
Lumbosacral Ligament from L1
Which costotransverse ligaments are attached at T12?
None
Capsular, Superior, Inferior, and Lateral Costotransverse Ligaments lack an attachment to T12
What muscles attach to the transverse process of T12?
Longissimus Thoracis Semispinalis Thoracis Multifidus Rotator Longus, Brevis Intertransversarii
Which segment is the last to demonstrate a levator costarum brevis attachment?
T11
Which segment is the last to demonstrate a levator costarum longus attachment?
T10
What is the orientation of the superior articular facets of T12?
Backward, Upward, Lateral (BUL)