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The Spine

Description

Mind Map on The Spine, created by louwarrior95 on 03/05/2015.
louwarrior95
Mind Map by louwarrior95, updated more than 1 year ago
louwarrior95
Created by louwarrior95 over 10 years ago
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Resource summary

The Spine
  1. Functions
    1. Support
      1. Attachment
        1. Surrounds Spinal Cord (Protection)
          1. Shock Absorbancy
            1. Spinal Curves
              1. Intervertebral discs
              2. Flexibility
              3. Gross Structure
                1. 33 Bony Segments
                  1. 24 Separate Vertebrae
                    1. Vertebrae increase in size as you go down the vertebral column
                    2. 9 Fused (Sacrum & Coccyx)
                    3. Series of Ligaments & Muscles
                      1. Approx' 1/4 of spinal length is made of intervertebral discs
                        1. Height variation during the day
                          1. Compression forces
                        2. Vertebrae
                          1. Typical Vertebrae
                            1. Top Half is called the vertebral body
                              1. The bottom half is called the vertebral arch
                                1. It comes to a point called the Spinous Process (the sticky out bit you can feel)
                                  1. The lengths of bone joining to the point are called lamina
                                    1. On either side beneath the vertebral body are transverse processes
                                  2. IV Discs
                                    1. Inside - Nucleus Pulposus
                                      1. Type 2 Collagen
                                        1. 70% Water
                                  3. Zygapophyseal/Facet Joints
                                    1. General Synovial Plane Joints
                                      1. At the Cervical Spine all movements occur
                                        1. At the thoracic Spine Project almost vertical. Lateral Flexion & Rotation occur
                                          1. At the Lumbar Spine Flex/Extension & Lateral Flexion occur
                                          2. Ligaments
                                            1. Longitudinal
                                              1. Anterior
                                                1. Originates from the anterior tubercle of the Atlas (C1) to Pelvic Surface of S1
                                                  1. 1/2 mm thick & get wider as it descends
                                                    1. Superficial Across Several Vertebra
                                                    2. Posterior
                                                      1. Originates from the Posterior axis to S1
                                                        1. Attaches to each disc
                                                          1. Narrower as it desends
                                                        2. Accesory
                                                          1. Ligamentum Flavum
                                                            1. Laminae of Vertebra
                                                              1. C1/C2 to L4/L5
                                                                1. Yellow, Elastic Tissue
                                                                2. Supraspinous
                                                                  1. Over & connects Spinous processes.
                                                                    1. Continous with Interspinous ligament
                                                                      1. Interspinous
                                                                        1. Relatively weak bands. Stronger in Lumbar Spine.
                                                                    2. Ligamentum Nuchae
                                                                      1. Spine of C7 to External Occipital Protuberance
                                                                      2. Intertransverse
                                                                        1. Adjacent to Transverse Processes
                                                                          1. More obvious in Lumbar spine

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