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Ligamentum Nuchae

Ligamentum Nuchae a.k.a. Nuchal Ligament creates the median fibrous septum in the middle of the muscles of the two parts of posterior neck. It is a triangular sheet of fibroelastic tissue.

Ligamentum Nuchae

Ligamentum Nuchae

Structure

Ligamentum Nuchae: Structure

Ligamentum Nuchae: Structure

Relations

  1. It spreads out from the external occipital process towards the spine of C7 as well as connects towards
    • The median portion of the external occipital crest.
    • The posterior tubercle of C1 and the medial aspect of the cervical spines.
  2. Ligamentum nuchae is formed primarily from the aponeurotic attachments of the adjacent and subjacent cervical musculature. Constituent muscles are:
    • Trapezius
    • Rhomboid minor
    • Splenius capitus
    • Serratus posterior superior

Clinical Significance

  • The ligament has straight fibrous connections together with the spinal dura in the middle of the occiput and C1 as well as among C1 and C2. It has anatomical and clinical importance.
  • The ligamentum nuchae reinforces the head.
  • It opposes flexion and enables returning the head toward its normal anatomical location.
  • The wide lateral surfaces along with the posterior edge of the ligament give connection for surrounding muscles.
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By Dr. Joseph H Volker | 2018-08-30T09:34:11+00:00 August 8th, 2018|Anatomy, Head and Neck, Joints and Ligaments|0 Comments