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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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Presentation Transcript
do now
Do Now

Type 2 Writing

4 minutes to write 5 things from last class

spine
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
spine1
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
cervical vertebrae
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
thoracic vertebrae
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
lumbar vertebrae
Lumbar Vertebrae
  • 5 total lumbar vertebrae
    • L1 – L5
  • Large, block-like bodies
  • Most sturdy of all the vertebrae
spine2
Spine
  • To help remember the number of bones in the vertebrae, remember common meal times
    • 7am
    • 12 noon
    • 5pm
intervertebral disks
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
injuries of the spine
Injuries of the Spine

Herniated Disk

Cervical Sprain (Whiplash)

Spina Bifida

herniated disk
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

cervical sprain whiplash
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

spina bifida
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

homework
Homework

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