the back and spinal cord Flashcards
how many cervical vertebrae are there
7
how many thoracic vertebrae are there
12
how many lumbar vertebrae are there
5
how many sacral vertebrae are there?
5
how many coccygeal vertebrae are there
4
c1?
atlas
c2
axis
c7
vertebral prominence
the intervertebral discs consist of?
nucleus pulposus and annulus fibrosis
what connects the laminae of adjacent vertebrae?
ligamentous flavum
anterolateral aspects of the body and discs are connected by the
anterior longitudinal ligament
the tips of the spinous processes are connected by
supraspinous ligament
adjacent vertebrae are joined by
interspinous ligaments
a lumbar puncture is performed in an adult
L3/L4
a lumbar puncture is performed in a child
L4/L5
thoracic region permits movement in the
coronal plane
rotation and lateral flexion
but also permits some flexion/extension in the lower regions
lumbar region permits movement in the
sagittal plane
lateral flexion
extension
flexion
cervical region permits movement in the
horizontal transverse plane flexion lateral flexion rotation extension
where does the spinal cord terminate in an adult
L1/L2
where does the spinal cord terminate in a child
L3
L2-C1 form
the cauda equina
what structure is present at L2
conus medullaris
what attaches and provides the spinal cord stability
the filum terminale
the sympathetic nerves emerge from
T1-L2