Vertebae And Intervertebral Discs Flashcards
How many cervical vertebraes are there?
7
How many thoracic lumbar sacral and coccygeal vertebraes are there
Thoracic:12
Lumbar: 5
Sacral:5
Coccygeal: 4
How many total vertebrae and vertebral bones are there
33 vertebrae
26 bones
In what order are the curves of the spine
Lordotic, kyphotic, lordotic, kyphotic
How many intervertebral discs are there
23
Where is the first intervertebral disc found
Between C2 and C3
What are intervertebral discs made from
Fibrocartilage
What type of joints are intervertebral joints
Amphiarthrosis Cartilaginous Symphysis
Where is the last intervertebral disc found
Between L5 and S1
T/F there is an intervertebral disc between C1 and C2
False, there is no disc because of the dens
What vertebral curvature allows head extension
Cervical lordosis
What curvature does a newborns spine have
Newborn kyphosis (in flexion)
Which curvature does becoming upright promote
Lumbar lordosis
What type of curves are PRIMARY curves
Kyphotic curves
What type of curves are SECONDARY curves
Lordotic curves
By which age do spinal curves set
Age 10
What positions are fundamental development
Supine
Prone
Rolling
Quadruped
Crawling
What are the transitional postures
Sitting
Kneeling
Squatting
What are the functional positions
Vertical stance
Gait
What is the weight bearing part of the vertebra
The body (centrum)
Where does the spinal cord pass
Vertebral foramen
What forms the vertebral arch
Lamina and pedicles
Which vertebra are often bifid
C2-C6
Which cervical vertebrae is most prominent
C7