Day 8 Flashcards
What is the name given to T11?
the anticlinial vertebra
What is the outline of the vertebral body of T11 on superior view
kidney-shaped or reniform
What joint classifications are identified at the vertebral body of T11?
fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthrosis) symphysis and synovial plane (diarthrosis arthrodia) joint
Which ligament of the costocentral joint is absent for the eleventh rib?
the costocentral interarticular or intra-articular ligament
What part of the transverse process is absent present on T11?
the transverse costal facet
What ligaments form the costotransverse joint of T11?
the superior costotransverse, and slightly developed inferior costotransverse and lateral costotransverse ligaments
What muscles attach to the transverse process of T11?
longissimus thoracis
semispinalis thoracis, multifidis, rotator longs and rotator brevis
intertransversarii and levator costarum brevis
How many synovial joints are typically present at T11?
six
What muscles attach to the spinous process of T11?
trapezius, latissimus dorsi, serratus posterior inferior, iliocostalis lumborum, spinalis thoracis, multifidis, rotator longus, rotator brevis, and interspinalis
At what segments of the thoracic spine will the spinalis muscle not attach?
T9, T10
What is the outline of the vertebral body of T12 on superior view?
kidney-shaped or reniform
How many synovial joints are formed at the vertebral body of T12?
two
How many symphysis joints are formed with the vertebral body of T12?
two
How many syndesmosis joints are formed at the vertebral body of T12?
four are typically identified (as many as six if the costocentral stellate/radiate ligaments are included)
Which muscle(s) is attached to the vertebral body of T12?
psoas major and psoas minor
What does the superior tubercle of T12 represent?
the mammillary process of lumbar vertebrae
What does the inferior tubercle of T12 represent?
the accessory process of lumbar vertebrae
What ligaments from the costotransverse joint of the twelfth rib?
the superior costotransverse ligament from T11 and the lumbocostal ligament from L1
Which costotransverse ligament(s) lack an attachment to T12?
capsular costotransverse, superior costotransverse, inferior costotransverse and lateral costotransverse ligaments
What muscles attach to the transverse process region of T12?
the longissimus thoraces, semispinalis thoraces, multifidis, rotator longs, rotator brevis and intertransversarii
Which segment is the last to demonstrate a levator costarum brevis attachment?
T11
Which segment is the last to demonstrates a levator costarum longus attachment?
T10
What is the orientation of the superior articular facets of T12?
they face backward, upward, and lateral (BUL)
What is the orientation of the inferior articular facets of T12?
they face forward, downward, and lateral (FoLD)
