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Splenius Capitis

Description

Origin :

  • Spinous Processes of Thoracic Vetebrae (T3-4)
  • Spinous Processes of Cervical Verebrae (C7)
  • Lower half of Ligamentum Nuchae (Posterior Neck Ligaments)

Insertion :

  • Mastoid process of skull
  • Occipital Bone (skull)

Action

Action :

  • Both sides acting together extend the neck (Atlantooccipital & Atlantoaxial)
  • Rotates the neck
  • Lateral flexor of the neck
  • Extensor of cervical spine
  • Rotator of the cervical spine
  • Lateral flexor of the cervical spine