Day 22 (Atypical Thoracic: T1, T9, T10) Flashcards
How many joints are formed at the vertebral body of T1?
typically ten (fourteen if the rib ligaments included)
The costocentral stellate/radiate ligament will attach to which segment(s) at the C8 spinal nerve intervertebral foramen?
the vertebral body of C7 and the vertebral body of T1
The costocentral stellate/radiate ligament will attach to which segment(s) at the T1 spinal nerve intervertebral foramen?
the vertebral body of T1 and the vertebral body of T2
What are the osseous parts of the costotransverse joint?
the transverse costal facet and the articular surface of the tubercle of a rib
What ligaments support the costotransverse joint of T1?
the inferior costotransverse and lateral costotransverse ligaments
What ligament is absent at the costotransverse joint of T1?
the superior costoransverse ligament
The superior costotransverse ligament of the transverse process of T1 will attach to which rib?
the second rib
What muscles attach to the transverse process of T1?
longissimus thoracis, longissimus cervicis, longissimus capitis, semispinalis cervicis, semispinalis capitis, multifidis, rotator longus, rotator brevis, intertransversarii, levator costarum brevis
How many synovial joints are present at T1?
ten
What muscles attach to the spinous process of T1?
the trapezius, rhomboid minor, serratus posterior superior, splenius capitis, spinalis throacis, spinalis cervicis, spinalis capitis, semispinalis throacis, multifidis, rotator longus, rotator brevis, interspinalis
Which muscles attach to the transverse process of T9?
the longissimus thoracis, semispinalis thoracis, multifidis, rotator longus, rotator brevis, intertransversarii, levator costarum longus, and levator costarum brevis
How many synovial joints are typically present at T9?
ten
How many synovial joint surfaces for ribs are typically present on T9?
six
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 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)
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
The superior costotransverse ligament of the T10 transverse process will attach to which rib?
the eleventh rib
What muscles attach to the transverse process of T10?
longissimus thoracis, semispinalis thoracis, multifidis, rotator longus and rotator brevis, intertransversarii, levator costarum longus, and levator costarum brevis
How many synovial joints are typically present at T10?
eight
How many synovial joint surfaces for ribs are typically present on T10?
four
A dimpling or depression of the skin in the thoracic region is often characteristic of the location of which segment?
T10
What muscles attach to the spinous process of T10?
the trapezius, latissimus dorsi, multifidis, rotator longus, rotator brevis, and interspinalis
What joint classifications are present at T10?
fibrous (amphiarthrosis) syndesmosis, cartilaginous (amphiarthrosis) symphysis, and synovial plane (diarthrosis arthrodia)
