Atypical Thoracics Flashcards
How many synovial joints are formed at the vertebral body of T1?
Four (normally)
How many symphysis joints are formed with the vertebral body of T1?
Two
How many syndesmosis joints are formed at the vertebral body of T1?
Typically four are identified
As many as eight if the rib articulation is included
What ligament is absent at the costotransverse joint of T1?
The superior costotransverse ligament
What ligaments attach to the transverse process of T1?
5
Intertransverse Capsular Costotransverse Superior Costotransverse Inferior Costotransverse Lateral Costotransverse
How many synovial joints are formed at the vertebral body of T10?
Two
How many symphysis joints are formed with 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
Which synovial joint surface is absent from the vertebral body of T10?
Inferior costal demi-facets
How many synovial joints are typically present at T10?
Eight
How many synovial joint surfaces for ribs re typically present on T10?
Four
Which rib-related facet is absent on T10?
Inferior costal demi-facet
What is the topographical indication of the spinous process at T10?
The skin often dimples or is depressed
What is the name given to T11?
The anticlinal vertebra
What is the outline of the vertebral body of T11 on superior view?
Kindey-shaped of Reniform
What joint classifications are identified at the vertebral body of T11?
(3)
Fibrous (amphiarthrosis) syndesmosis
Cartilaginous (amphiarthrosis) symphysis
Synovial plane (diarthrosis arthrodia)
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?
Superior costotransverse Inferior costotransverse (Slightly developed) Lateral costotransverse (Slightly developed)
What muscles attach to the transverse process of T11?
7
Longissimus Thoracis Semispinalis Thoracis Multifidis Rotator Longus Rotator Brevis Intertransversarii Levator Costarum Brevis
How many synovial joints are typically present at T11?
Six
What muscles attach to the spinous process of T11?
9
Trapezius Latissimus Dorsi Serratus Posterior Inferior Illiocostalis Lumborum Spinalis thoracic Multifidis Rotator Longus Rotator Brevis Interspinalis
At which segments of the thoracic spine will the spinals muscles 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 typically are identified
As many as six if the costocentral stellate/radiate ligaments are included
Which muscle(s) us attached to the vertebral body of T12?
Psoas Major
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) lack an attachment to T12?
4
Capsular costotrasnverse
Superior costotransverse
Inferior costotransverse
Lateral costotransverse
What muscles attach to the transverse process region of T12?
6
Longissimus Thoracis Semispinalis Thoracis Multifidis Rotator Longus Rotator Brevis Intertransversarii
Which segment is the last to demonstrate a levator costarum brevis attachment?
T11
Which segments is the last to demonstrate a levator costarum longus attachment?
T10
What is the orientation of the superior articular facets of T12?
Backward, upward, and lateral (BUL)
What is the orientation of the inferior articular facets of T12?
Forward, downward, and lateral (FoLD)
How many synovial joints are typically present at T12?
Six
What muscles attach to the spinous process of T12?
9
Trapezius Latissimus Dorsi Serratus Posterior Inferior Iliocostalis Lumborum Spinalis Thoracis Multifidis Rotator Longus Rotator Brevis Interspinalis
