Extra stuff to learn for spot test Flashcards
transverse foramen only go how far?
do not pass through C7
why are cervical vertebrae more likely to dislocate?
flat articular facets
is the dens anterior or posterior?
anterior
dens aka odontoid process
how is the dens held in place?
the transverse ligament of the atlas
what articulates with head of rib?
costal demi-facets
what is a zygapophysial joint?
occur between sup. and inf. articular process of adjacent vertebrae
what is annulus fibrosis
fibrocartilage ring attached to epiphysial rim of vertebral body
what is nucleus pulposus
gelatinous substance that acts as a shock absorber
ligamentum flavum
binds adjacent vertebrae
post. long ligament
C2 to sacrum prevents post. herniation of discs
ant. long ligament
occipitale and c1 to sacrum
only ligament to resist hyperextension!
all other ligaments resist hyperflexion
lordosis
= more bent spine than should be
kyphosis
= flatter than should be
lumbar plexus
L1 - L4
sacral plexus
L4-S5