Vertebral Column - Spine and Discs Flashcards
What is the total number of vertebrae, and how many are movable?
TOTAL - 33
+
MOVEABLE - 24
How many vertebrae are found in the cervical and thoracic spines?
CERVICAL - 7 VERTEBRAE
+
THORACIC - 12 VERTEBRAE
How many vertebrae are found in the lumbar spine, sacrum and coccyx?
LUMBAR - 5 VERTEBRAE \+ SACRUM - 5 VERTEBRAE \+ COCCYX - 4 VERTEBRAE
In which direction are vertebrae numbered?
TOP TO BOTTOM
Intervertebral discs make up _____% of the total length of the vertebral column?
25%
Between the vertebrae are _______________ discs called _____________ discs.
FIBROCARTILAGENOUS discs
INTERVERTEBRAL discs
Name the structure of the spine that has a key function in weight bearing?
INTERVERTEBRAL DISCS (IVDs)
There is no IVD between _____ and _____.
C1
and
C2
Name the fibrous outer layer of each disc (IVD)?
ANNULUS FIBROSIS
Name the inner substance of the IVD which the annulus fibrosis surrounds?
NUCLEUS PULPOSUS
The _______ 1/3rd of the intervertebral disc is innervated.
OUTER
Name the primary (kyphotic) curves of the spine which are developed during the fetal period?
THORACIC
+
SACRAL
Name the secondary (lordotic) curves of the spine which are formed while lifting head, walking?
CERVICAL
+
LUMBAR
Name the 2 kyphotic curves of the spine?
THORACIC
+
SACRAL
Name the 2 lordotic curves of the spine?
CERVICAL
+
LUMBAR