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Spinal Colum

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Spinal Colum  Stacks of vertebrates  Functions  Support the head  Keeps the trunk erect  Provides protection for the spinal cord

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 Disks  Permit bending or twisting  Absorbs shock from walking, running or jumping.  Area of the body  Cervical  Neck  Thoracic  Chest  Lumbar  Back  Sacral  Posterior Pelvic  Coccygenal  Tailbone Foramen is a opening spinal nerves enter and leave the spinal cord through between the vertebrae Disks Maintain adequate spacing between the vertebrae to prevent dame to the nerves from bone to bone. Body larger solid part of vertebrae Carvical Spine  Neck  7 total  C1- C7  C1—Atlas Cervical Nerves  Neck  C2Axis –neck and hands  C3 Diaphragm  C4-C5 Deltoids, Biceps Thoracic Spine  Chest  12 total  T1-T12  T1-T6 Chest Muscles  T7-T12  Abdominal Muscles Lumbar Spine  Back  5 total  L1-L5 Leg Muscles Sacral Spine  Pelvic  5 fused bone= 1large bone  S1-S5  S1-S3 Bowel, Bladder  S4-S5 Sexual Functions Coccyx Tail Bone  3 fused vertebrae

 “Tail Bone”


				
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posted:3/12/2009
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