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image: Longissimus Thoracis
Longissimus Thoracis

Longissimus Thoracis

 Articulations :

 Action :

  • Extends the Lumbar & Thoracic Spine
  • Extensor of the cervical spine
  • Lateral flexor of the cervical spine
  • Extensor of Neck (Atlantooccipital & Atlantoaxial)
  • Rotator of Neck (Atlantooccipital & Atlantoaxial)
  • Lateral Flexor of Neck (Atlantooccipital & Atlantoaxial)

Origin :

  • Transverse Processes of Sacrum
  • Transverse Processes of Lumbar Vertibrae
  • Transverse Processes of Thoracic Vertebrae

Insertion :

  • Transverse Processes of Cervical Vertebrae
  • Transverse Processes of Thoracic Vertebrae
  • Mastoid Process of Skull

Depth :

  • Superficial
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