Spinal 2 Ex 1 Most Missed Questions Flashcards
What facets doe T1 have on its vertebral body
Superior costal facets and inferior costal demi facets
What is the dorsal horn (gray) of the spinal cord’s blood supply?
Dorsal/ventral/central/perforating artery
What decreases in the C5/C6 area?
Coupled motion (lateral bending and axial rotation)
Definition of fissure
an irregular slit-like or crack-like appearance between the surfaces of adjacent bone (it is not a surface feature because it involves 2 bones)
Which muscles attach at the typical cervical articular process
the longissimus capitis, longissimus cervicis, semispinalis capitis, semispinalis cervicis, multifidis and rotators (NOT the splenius cervicis)
What are the joint classifications present at C2 vertebral bone
Amphiarthrosis syndesmosis, amphiarthrosis symphysis, diarthrosis trochoid, modified diarthrosis sellar, and arthrodial
What are the joint classifications present at C1?
Amphiarthrosis syndesmosis, diarthrosis ellipsoidal, diarthrosis trochoid, diarthrosis arthrodia
What is a property of cartilage?
Visco-elasticity, cartilage can deform but returns to original volume slowly, a time dependent property
Define ponticulus posticus
Ossified anterior free margin of the posterior atlanto-occipital ligament
What blood vessels are present near the posterior longitudinal ligament
Anterior spinal canal arteries, anterior internal vertebral venous plexus, basivertebral vein
What is the definition of an uncinate process
Lateral osseous projection of the superior epiphyseal rim
Why is the inferior articular facet of C1 unique
Only one with BMD orientation (backwards)
What is unique about the superior articular facet of C2
Only one which is thoracic-like in orientation
C1 is aka
Atlas
C2 is aka
epistropheus
