Transversospinalis Group of Muscles 3D

  • Semispinalis Muscles (Capitis, Cervicis, and Thoracis)
    • * Originates from the transverse processes of the vertebrae.
    • * Inserts into the spinous processes of the vertebrae above.
    • * Supplied by the posterior intercostal arteries and lumbar arteries.
    • * Innervated by the dorsal rami of the spinal nerves.                                                                                                                                                                                                                                                                                                                                                                                                                            
  • Multifidus Muscle
    • * Originates from the sacrum, iliac crest, and spinous processes of the vertebrae.
    • * Inserts into the spinous processes of the vertebrae above.
    • * Supplied by the posterior intercostal arteries and lumbar arteries.
    • * Innervated by the dorsal rami of the spinal nerves.
    • * Functions to stabilize the spine and maintain posture.

 

  • Rotatores Muscles
    • * Originates from the transverse processes of the vertebrae.
    • * Inserts into the spinous processes of the vertebrae above.
    • * Supplied by the posterior intercostal arteries and lumbar arteries.
    • * Innervated by the dorsal rami of the spinal nerves.
    • * Functions to rotate the spine.

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  • Semispinalis Muscles (Capitis, Cervicis, and Thoracis)
    • * Originates from the transverse processes of the vertebrae.
    • * Inserts into the spinous processes of the vertebrae above.
    • * Supplied by the posterior intercostal arteries and lumbar arteries.
    • * Innervated by the dorsal rami of the spinal nerves.                                                                                                                                                                                                                                                                                                                                                                                                                            
  • Multifidus Muscle
    • * Originates from the sacrum, iliac crest, and spinous processes of the vertebrae.
    • * Inserts into the spinous processes of the vertebrae above.
    • * Supplied by the posterior intercostal arteries and lumbar arteries.
    • * Innervated by the dorsal rami of the spinal nerves.
    • * Functions to stabilize the spine and maintain posture.

 

  • Rotatores Muscles
    • * Originates from the transverse processes of the vertebrae.
    • * Inserts into the spinous processes of the vertebrae above.
    • * Supplied by the posterior intercostal arteries and lumbar arteries.
    • * Innervated by the dorsal rami of the spinal nerves.
    • * Functions to rotate the spine.

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