Thoracic Spine Anatomy

Aka: Thoracic Spine Anatomy, Thoracic Spine

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II. Anatomy: General

  1. See Spine Anatomy
  2. Thoracic Spine is composed of 12 Vertebrae (and 12 nerve root pairs)
  3. Thoracic kyphosis refers to the normal thoracic curvature which is concave anteriorly

III. Anatomy: Images

  1. General
    1. orthoSpineTLandmarksGrayBB1211.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    2. orthoSpineTLandmarksLateralGrayBB1215.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  2. Bone
    1. orthoSpineVertebraeThoracicGrayBB90.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    2. orthoSpineVertebraeThoracicGrayBB91.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    3. orthoSpineThoracicVertebraeGrayBB314.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  3. Ligaments
    1. orthoSpineThoracicPosteriorLongitudinalLigamentGrayBB302.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    2. orthoSpineThoracicAnteriorLongitudinalLigamentGrayBB312.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    3. orthoSpineThoracicCostoTransverseArticulationGrayBB313.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
    4. orthoSpineThoracicAnteriorLigamentumFlavumGrayBB303.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  4. Muscles
    1. OrthoSpineTMusclesDeepGrayBB389.gifLewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  5. Vascular
    1. See Intercostal Vessel

IV. Anatomy: Columns (Denis)

  1. See Spinal Cord Anatomy
  2. Anterior column
    1. Anterior longitudinal ligament (ALL)
    2. Vertebral body (anterior 2/3)
    3. Intervertebral disc (anterior 2/3)
  3. Middle column
    1. Vertebral body (posterior 1/3)
    2. Intervertebral disc (anterior 1/3)
    3. Posterior longitudinal ligament (PLL)
  4. Posterior Column (posterior to PLL)
    1. Pedicles
    2. Facet joints
    3. Laminae
    4. Spinous processes
    5. Interconnecting ligaments
  5. Imaging Resources
    1. Three column concept of spinal Fractures (Worsley, 2025, Radiopaedia)
      1. https://radiopaedia.org/articles/three-column-concept-of-spinal-fractures

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