the vertebral colulm Flashcards
how many vertebrae compose the vertebral column?
32-34
how many cervical vertebrae are there
7
how many thoracic vertebrae are there?
12
how many lumbar vertebrae are there?
5
how are the vertebraes in the sacrum and how many are there?
they are fused and there are 5
how are the vertebrae in the coccyx and how many are there?
they are fused and amount will vary between 3-5
what is the trick to remember the # of vertebrae
breakfast at 7, lunch at 12, supper at 5
how is the spine curved?
-convex (2), concave (1), convex (2), concave (1)
at what moment do secondary curvatures mature?
throughout early life growth and development
how is the spinal column of a feutus?
totally concave anteriorly
how is the lumbar region of a newborn?
it has begun to be convex anteriorly
What is cervical Kyphosis?
instead of having the cervical region concave it is reversed and is convex
What is thoracic Kyphosis?
the thoracic region is much to concave
what is lumbar lordosis?
the lumbar region is much to convexe
what type of test can be used to determine scoliosis?
forward bending test
what is scoliosis?
curvature of the spine.
which vertebrae has a bifid spinous process?
Cervical
What is the main function of uncinate processes?
on which vertebrae can it be found?
it limits lateral flexion of the cervical spine.
it can be found ranging from C3-C7
which vertebrae has a short & wide spinous process?
Lumbar vertebrae
what is the function of the facets on the thoracic vertebrae?
they are specially there for the ribs
how many foramen are their in the cervical vertebrae? what are their names?
what is their function?
3.
1x the large vertebral foramen
2x traverse foramina –> in these the vertebral artery can be seen to pass though it.
what is the correcponding name of the C2 vertebrae?
Axis
what is the location of the Atlas?
C1
on what cervical vertebrae can the Dens be found?
what is its main functions?
C2 (axis)
it enables C2 to articulate with C1
what does the atlas lack? what does it have instead?
it lacks a vertebral body & spinous process
it has both a posterior & anterior arch that connects to lateral masses
in the cervical vertebrae where are the pedicles located?
the pedicles attach the vertebral bodies
what do the paired lamina join to form in the cervical vertebrae?
they pair to form the spinous process
how is C7 different than the other cervical vertebrae?
-long, palpable spinous process
what is the sacral canal
continuation of vertebral canals that open up at the sacral hiatus.