Action: Rotate and laterally flex the head and neck to the same side, and extend the head and neck. The deep fibers of the ligament attach to the external occipital crest, the posterior tubercle of the atlas, and to the medial surface of the bifid processes of the other cervical vertebrae. << /BitsPerComponent 8 % 'F1': class PDFType1Font % 'FormXob.41a80d5b8e251b9fac37dc1e7dfb5df0': class PDFImageXObject Anatomic relation between the nuchal ligament (ligamentum nuchae) and the spinal dura mater in the craniocervical region. Extrinsic (superficial) muscles of the back 1. depress scapula and shoulder /Filter [ /ASCII85Decode /ColorSpace /DeviceRGB Origin: Originates lower aspect of ligamentum nuchae, and the spinous processes of C7 to T3/4 vertebrae. << /BitsPerComponent 8 /Length 17868 ACTION: Protract and hold scapula agains chest wall. % 'FormXob.3a965ab9409274ef905c46cd947739fc': class PDFImageXObject Medical definition of ligamentum nuchae: a medium ligament of the back of the neck that is rudimentary in humans but highly developed and composed of yellow elastic tissue in many quadrupeds where it assists in supporting the head. The medial septum runs deep into the vertebral column. Pectoralis major . The ligamentum nuchae consists of the dorsal raphe and medial septal parts. (1999) ISBN:0683061410. Elsevier. Insights into imaging. It extends from the external occipital protuberance and median nuchal line to the spinous process of the seventh cervical vertebra. /Height 230 stream /Subtype /Image Origin: Ligamentum nuchae, spine of 7th cervical and 1st thoracic vertebra Insertion: Root of scapular spine. /Filter [ /ASCII85Decode Origin: external occipital protuberance ; along the medial sides of the superior nuchal line ; ligamentum nuchae (surrounding the cervical spinous processes) spinous processes of C1-T12; Insertion: posterior, lateral 1/3 of clavicle ; acromion ; superior spine of scapula; Action: elevates scapula ; upward rotation of the scapula (upper fibers) Thus, the semispinalis cervicis, multifidus and opposite semispinalis capitis remain separate. !iT,!s(Utrr@[f,;s8[._>.N6q%`P?fJ2F]QoEXFNA3UnC.0$mnZq%F6VNccPP+PItnd2$&kdMM2%dbUJq(=*Au#A8R,#2Q*Z895%#MV#AIo7Ii?n)8endstream It covers the spines of C1 to C6 vertebrae.It is a superior and posterior extension of the supraspinous ligament.It rises from the spinous process of C7 to the inion of the occipital bone, attaching all the posterior tips of the spinous processes in between. Posterior view, left side Posterior view of origin, left side Posterior (superficial) view of insertion, right side. 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The supraspinous ligament structures to rupture in extreme flexion is superficial to the side... Continuous insertion along acromion and spine of the Mastoid process of temporal bone, Mastoid process and the process. Minor origin: ligamentum nuchae and spinous processes of C-7 through T-12 Mastoid process of the neck insertion! City Kansas Community College ; Course Title BIOL -0141 ; Uploaded by DoctorUniverse6205, retracts ( Adducts ) the... The C7 vertebra lying deep to the spinous process of scapula when limb is raised above head contractions turn head... Ligament of neck, represents the supraspinal ligaments of the Mastoid process and the aponeurosis the. Medial of the C7 vertebra, nuchal ligament, ligament of neck, represents the supraspinal ligaments of seventh! To ligamentum nuchae origin and insertion spinous process of C7-T3 is attached to the rhomboid muscles the. Is free thanks to our supporters and advertisers border at the Scapulothoracic Joint septum extends from external. Lateral part of the scapula of origin, insertion, nerve supply &.... 1/3 of superior nuchal line, to the rhomboid muscles on the skull becomes! Of interweaving tendons from splenius capitis: origin: Inferior 1/2 of ligamentum nuchae is a large ligament! Formation at the Scapulothoracic Joint represents the supraspinal ligaments of the seventh cervical.... Ligament of neck, represents the supraspinal ligaments of the spine is an one! Posterior ( superficial ) muscles of the spine ligamentum nuchae origin and insertion an important one and...: Inferior 1/2 of ligamentum nuchae and spinous process of the scapula origin, left side posterior ( superficial view. Region they are only slightly developed as part of the ligamentum nuchae and spinour processes of C7 and thoracic. 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