Splenius

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Other Names

  • Neck (Rear)
  • Neck Extensors

Heads

  1. Cervicis Splenius
  2. Capitis Splenius

Movement

Neck (Atlantooccipital & Atlantoaxial)

  • Extension
    • Both Sides [2 ]
  • Rotation
    • Rotation right [Right 2 ]
    • Rotation left [Left 2 ]
  • Lateral Flexion
    • Lateral flexion right [Right 2 ]
    • Lateral flexion left [Left 2 ]

Spine (Cervical)

  • Extension
    • Both Sides [1, 2 ]
  • Rotation
    • Rotation right [Right 1, 2 ]
    • Rotation left [Left 1, 2 ]
  • Lateral Flexion
    • Lateral flexion right [Right 1, 2 ]
    • Lateral flexion left [Left 1, 2 ]

Attachments

Origin

  • Spine
    • Thoracic Vetebrae (T3-6) [1 ]
      • Spinous Processes
    • Thoracic Vetebrae (T3-4) [2 ]
      • Spinous Processes
    • Cervical Verebrae (C7) [2 ]
      • Spinous Processes
  • Ligamentum Nuchae (Posterior Neck Ligaments) [2 ]
    • Lower Half

Insertion

  • Spine [1 ]
    • Cervical Vetebrae (C1-3)
      • Transverse Processes
  • Skull [2 ]
    • Mastoid Process
    • Occipital Bone

Related Muscles

Splenius

Splenius under Trapezius and Rhomboids

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