Class 10 Vertebral Column Overview

cervical

7 , 30-35, Lordosis, smallest most mobile

Thoracic

12, 40 degrees, kyphosis

Lumbar

5 lordosis 45 degrees

sacral

kyphosis, 5 

coccygeal

4

C1

Atlas- supports the weight of cranium, large transverese process

C2

Axis- large projection-dens

C3-C7

Transverse processes possess transverse foramen, protective passageway for vertevral artery. Most spinus processes are bifid

Costal Facets

Articulation with the posterior aspects of the ribs

Thoracic Cavity

Ribs, thoracic vertebrae and sternum define the volume of thoracic cavity

Facet joints of ___ lumbar region oriented close to ______ plane but transition towardthe ____ in the ______ region.

upper, sagittal, frontal, lower

know cervial thoracic lumbar planes of motion

rotation side bending flexion and extenion ( cervical protraction and retraction) ✋

Afferent vs Efferent fibers

afferent arrive, efferent exit

Cervical spinal nerves exit _____respective vertebrae

above

Thoracic and lumbar exit ____ their respective vertebrae

below

lambar and sacral plexis

Brachial Plexis