Thoracic Region-Atypical Thoracic T11/Anticlinal Vertebra Flashcards
What name is given to T11?
the anticlinal vertebra
What is the outline of the vertebral body of T11 on superior view?
kidney shaped or reniform
How many joints are typically formed at the vertebral body of T11?
typically eight (twelve if the costotransverse stellate/radiate ligament are included)
Which ligament of the costotransverse joint is absent for the eleventh rib?
the costocentral interarticular or intra-articular ligament
Which vertebra is the last segemnt to demonstrate a tranverse costal facet?
T10
Which ligaments form the costotransverse joint of T11?
the superior costotransverse, and slightly developed inferior costransverse and lateral costotransverse ligaments
Which costotransverse ligament(s) are absent at T11?
capsular costotransverse ligament
Which muscles attach to the transverse process at T11?
longissimus thoracis, spinalis thoracis, multifidus, rotator longus, rotator brevis, intertransversarii, and levator costarum brevis
Which segment will be the last segment to demonstrate an attachment for the levator costarum longus?
T10
How many synovial joints are typically present at T11?
six
What muscles attach to the spinous process of T11?
trapezius, lattisimus dorsi, serratus posterior inferior, illiocostalis lumborum, spinalis thoracis, multifidus, rotator longus, rotator brevis, and interspinalis
At which segments of the thoracic spine will the spinalis muscle not attach?
T9, T10
Which muscles of the five layers of the true back are present at the spinous process of T11?
the trapezius, latissimus dorsi, serratus posterior inferior, illiocostalis lumborum, spinalis thoracis, multifius, rotator longus, rotator brevis
What is the orientation of the superior articular facets of T11?
they face backward, upward, and lateral (BUL)
What is the orientation of the inferior articular facets of T11?
they face forward, downward, and medial (ForMeD)