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Articulations of the Vertebral Column

Articulations of the Vertebral Column

In addition to being held together by the intervertebral discs, adjacent vertebrae also articulate with each other at synovial joints formed between the superior and inferior articular processes called zygapophysial joints (facet joints). These are plane joints that provide for only limited motions between the vertebrae. The orientation of the articular processes at these joints varies in different regions of the vertebral column and serves to determine the types of motions available in each...

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Related Experiment Video

Updated: Dec 21, 2025

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Published on: November 8, 2024

Traumatic Atlantoaxial Dislocation without Neurologic Deficit.

Racheal Peterson¹, Edward Burkhardt¹, Anthony Sin¹

¹Department of Neurosurgery, Louisiana State University Health Science Center-Shreveport, Shreveport, Louisiana, USA.

World Neurosurgery

|May 20, 2020

Summary

Traumatic atlantoaxial dislocation, a rare injury without bone fracture or nerve damage, was successfully treated. This case highlights effective closed reduction and occipitocervical fusion for spinal stability.

Keywords:

Atlantoaxial dislocation Neurotrauma Spine trauma

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Last Updated: Dec 21, 2025

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Published on: May 9, 2020

Area of Science:

Orthopedic Surgery
Neurosurgery
Trauma Care

Background:

Traumatic atlantoaxial dislocation is a severe upper cervical spine injury.
It is often associated with odontoid fractures and neurological deficits.
This specific injury pattern without these complications is exceptionally rare.

Observation:

A 39-year-old male pedestrian sustained a grade 4 C1-2 retrolisthesis after a vehicular accident.
The patient had no initial odontoid fracture or neurological deficit.
Clinical assessment confirmed the absence of neurological compromise.

Findings:

Successful closed reduction of the atlantoaxial dislocation was achieved.
The patient underwent a posterior occipitocervical fusion for spinal stabilization.
Neurological status remained stable and good throughout the hospital course.

Implications:

This case demonstrates the successful management of a rare traumatic atlantoaxial dislocation.
It underscores the importance of prompt diagnosis and appropriate surgical intervention.
Recovery with full strength is possible even in severe dislocations without neurological injury.