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Vertebral Column

Vertebral Column. Do Now. Type 2 Writing 4 minutes to write 5 things from last class. Spine. The spine (vertebral column) spans from the base of the spine, all the way to the pelvis Function – Major core support and protects the spinal cord C urvature Kyphosis (hunch back) Lordosis.

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Vertebral Column

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  1. Vertebral Column

  2. Do Now Type 2 Writing 4 minutes to write 5 things from last class

  3. Spine • The spine (vertebral column) spans from the base of the spine, all the way to the pelvis • Function – Major core support and protects the spinal cord • Curvature • Kyphosis (hunch back) • Lordosis

  4. Spine • 24 single vertebrae make up the spine • An additional 2 fused bones at the bottom (sacrum and coccyx) help provide a flexible curved structure • What are the 3 different types of vertebrae? • Cervical Vertebrae • Thoracic Vertebrae • Lumbar Vertebrae

  5. Cervical Vertebrae • 7 Cervical Vertebrae • C1 – C7 • Superior portion of the spine • C1 and C2 are commonly referred to as… • Atlas • Axis • Smaller than the rest of the vertebrae

  6. Thoracic Vertebrae • 12 Thoracic Vertebrae • T1 – T12 • The only vertebrae that articulate with the ribs • Body of the Vertebrae is slightly larger than that of the Cervical Vertebrae

  7. Lumbar Vertebrae • 5 total lumbar vertebrae • L1 – L5 • Large, block-like bodies • Most sturdy of all the vertebrae

  8. Spine • To help remember the number of bones in the vertebrae, remember common meal times • 7am • 12 noon • 5pm

  9. Intervertebral Disks • Between each vertebrae lie intervertebral disks • Each disk is composed of strong, fibrous tissue • Inside the fibrous tissue lies a semifluid nucleus • Function – Shock absorption

  10. Injuries of the Spine Herniated Disk Cervical Sprain (Whiplash) Spina Bifida

  11. Herniated Disk Disks, specifically lumbar, are subjected to constant, intense stress Stress can cause degeneration, tears and cracks in fibrous disk tissue Tears in the tissue can cause the fluid to fall out and compress the nerves of the spinal cord

  12. Disk Herniation

  13. Cervical Sprain (Whiplash) Occurs from a sudden snap of the head Pain might not be present initially, but almost always appears the day after the trauma

  14. Spina Bifida A birth defect when the vertebrae do not form around the spinal cord Mild cases might not need treatment Severe cases can require surgery

  15. Spina Bifida

  16. Homework Answer Questions 14-16 on pg. 158 (?)

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