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Overview of the Spine

Functions of the Spine 1.Protect the spinal cord, nerve roots and several of the body’s internal organs. 2.Provide structural support and balance to maintain an upright posture. 3.Enable flexible motion.
Regions of the Spine 1.cervical 2.thoracic 3.lumbar 4.sacral
consists of seven vertebrae Cervical Spine
total cervical spine C1 to C7
cervical spine 1.protect the brain stem 2.spinal cord3.support skull4.allow wide range of head movement
cervical vertebra (C1) Atlas
Atlas supports the skull
cervical vertebra (C2) Axis
vertebrae (C3 through C7) small spinous processes (finger-like projections)---extend from back of vertebrae