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The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending.
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Cervical extraforaminal ligaments: an anatomical study.

Mehmet Arslan1, Halil İbrahim Açar2, Ayhan Cömert3

  • 1Department of Neurosurgery, Faculty of Medicine, Yuzuncu Yıl University, Van, Turkey.

Surgical and Radiologic Anatomy : SRA
|July 21, 2017
PubMed
Summary
This summary is machine-generated.

This study identified two types of extraforaminal ligaments in the cervical spine: transforaminal and radiating. These ligaments connect cervical transverse processes and attach to spinal nerves, aiding in understanding nerve root relationships.

Keywords:
Cervical extraforaminal ligamentCervical nerve rootCervical radiculopathyIntervertebral foramen

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Area of Science:

  • Anatomy
  • Orthopedics
  • Neurosurgery

Background:

  • Extraforaminal ligaments in the cervical spine are crucial for spinal nerve root stability.
  • Understanding their anatomy is essential for diagnosing and treating cervical radiculopathies.

Purpose of the Study:

  • To elucidate the anatomy of extraforaminal ligaments in the cervical region.
  • To investigate the clinical importance of these ligaments in relation to cervical nerve roots.

Main Methods:

  • Dissection of eight embalmed human cadavers.
  • Identification and detailed observation of the morphology, quantity, origin, insertion, and orientation of extraforaminal ligaments.
  • Analysis of the relationship between ligaments and spinal nerves within the cervical intervertebral foramina.

Main Results:

  • Two types of extraforaminal ligaments were identified: transforaminal and radiating.
  • Transforaminal ligaments cross the intervertebral foramen ventrally, with increasing size caudally.
  • Radiating ligaments attach spinal nerves to transverse processes, forming a 'hub-and-wheel' structure, particularly prominent at C5-C6.

Conclusions:

  • This anatomical study enhances understanding of extraforaminal ligamentous structures.
  • Provides foundational knowledge for improved clinical management of cervical nerve root pathologies.