Quizzies (Atypical Thoracics) Flashcards
How many symphysis joints are formed with the vertebral body of T9?
Two
How many synovial joints are formed at the vertebral of T9?
Four
How many syndesmosis joints are formed at the vertebral body of T9?
Typically four are identified (as many as eight if the costocentral stellate/radiate ligaments are included)
What ligaments attach to the transverse process of T9?
Intertransverse, capsular costotransverse, superior costotransverse, inferior costotransverse, and lateral costotransverse ligaments
What muscles attach to the spinous process of T9?
The trapezius, latissimus dorsi, multifidis, rotator longus, rotator brevis, and interspinalis
How many synovial joints are formed at the vertebral body of T10?
Two
How many syndesmosis joints are formed at the vertebral body of T10?
Typically four are identified (as many as eight if the costocentral stellate/radiate ligaments are included)
How many joints are typically formed at the vertebral body of T10
Typically eight (twelve if the costocentral stellate/radiate ligaments are included)
Which synovial joint surface is absent from the vertebral body of T10?
Inferior costal demi-facets
Para-articular processes are more commonly observed on which segment of the spine?
T10
What muscles attach to the transverse process of T10?
Longissimus thoracis, semispinalis thoracis, multifidis, rotator longus and rotator brevis, intertransversarii, levator costarum longus and brevis
A dumpling or depression of the skin in the thoracic region is often characteristic of the location of which segment?
T10
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
What joint classifications are identified at the vertebral body of T11?
Fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthosis) 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 on T1?
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 longus and 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 which 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)
What 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 form the costotransverse joint of the twelfth rib?
The superior costotransverse ligament from T11 and the lumbocostal ligament from L1
Which costotransverse ligament(s) are attached at T12?
None; the capsular, superior, inferior, and lateral costotransverse ligaments lack an attachment to T12
Which costotransverse ligament(s) lack an attachment to T12?
Capsular, superior, inferior, and lateral costotransverse ligaments
What muscles attach to the transverse process region of T12?
The longissimus thoracis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, and 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?
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)
How many synovial joints are typically present at T12?
Six
What is the generic appearance of the spinous process of T12?
Lumbar-like, similar in length to T11
What muscles attach to the spinous process of T12?
The trapezius, latissimus dorsi, serratus posterior inferior, iliocostalis lumborum, spinalis thoracis, multifidis, rotator longus, rotator brevis, and interspinalis
