Mind map

Back Lecture

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Back Lecture

Vertebral Column
- Ligaments and IV Discs
  - Ligaments
    - Body-to-body
      - Anterior Longitudinal Ligament
      - Posterior Longitudinal Ligament
    - Lamina-to-Lamina
      - Ligamentum flavum
    - Transverse Ligaments
      - supraspinous ligament
      - Intraspinous ligament
  - IV Discs
    - provide cushioning
      - Can dry out
    - can herniate
      - PLL herniation to spinal cord
- Regions
  - Cervical (7)
    - Transverse foramen
    - Connect to skull
    - Horizontal Articular Processes
  - Thoracic (12)
    - Articular processes for ribs
    - sharp, oblqiue spinous processes
  - Lumbar (5)
    - Largest bodies
    - vertical articular processes
  - Sacaral/Coccyx (5/4)
    - fused
Back Muscles
- Extrinsic Superficial
  - Trapezius
    - Innervation
      - Spinal Accessory N. / CN XI
    - Actions
  - Lattimus Dorsi
    - Innervation
      - Thoracodorsal N.
  - Levator Scapulae
  - Rhomboideus Minor
  - Rhomboideus Major
- Extrinsic Deep
  - Serratus Anterior
    - holds scap down
- Intermediate Muscles
  - Serratus Posterior superior
  - Serratus Posterior Inferior
- Intrinsic
  - Superficial
    - Splenius
  - Intermediate
    - Spinalis
    - Longissimus
    - Illiocostalis
  - Deep
    - Semispinalis
    - Multifidus
    - Rotatores
Innervation
- extremities and body wall : ventral rami
- true/intrinsic back muscles/skin: dorsal rami