Spine Anatomy Flashcards
How many of each type of vertebrae are there?
7 cervical 12 thoracic 5 lumbar 5 sacral 4 coccygeal
Name curves A, B, C, and D
A - Cervical lordosis
B - Thoracic kyphosis
C - Lumbar lordosis
D - Sacral kyphosis
Name A, B, and C
A - Superior costal facet
B - Pedicle
C - Lamina
Name A, B, C, and D
A - Vertebral foramen
B - Superior articular facet
C - Spinous process
D - Transverse costal facet
What is different about the vertebra prominens (C7)?
No foremena transverse process
Name A and B
A - Anulus fibrosus
B - Nucleus pulposus
Where do motor neurons originate (in terms of spine)?
Anteriorly - anterior grey horn
Where do sensory neurons orginate (in terms of spine)?
Dorsally - dorsal root ganglion
Where does spinal cord end?
L1
What is the cauda equina?
Bundle of nerves
Continuation of spinal cord after L1
Where does the exiting nerve root travel?
Under the pedicle of corresponding vertebra
Which nerve roots contribute to the sciatic nerve?
L4, L5, S1 (along with S2 and S3)
What three muscles make up the erector spinae?
Iliocostalis
Longissimus thoracis
Spinalis thoracis
Name A, B, and C
A - Illiocostalis
B - Spinalis
C - Longissimus
Name A, B, C, and D
A - Ligament flavum
B - Facet capsulary ligament
C - Interspinous ligament
D - Supraspinous ligament
Name A, B, and C
A - Interansverse ligament
B - Posterior longitudinal ligament
C - Anterior longitudinal ligament
