Lumbar spine trauma. The structures of the lumbar spine can be considered as 3 columns. Trauma to the lumbar spine may result in injury limited to the anterior, middle, or posterior column, or it may involve multiple spinal columns, resulting in gross instability.
Lumbar spine trauma. Lateral drawing of the 3 spinal columns of the thoracolumbar junction. The anterior column (black dotted line) includes the anterior spinal ligament, the anterior annulus fibrosis, the intervertebral disc, and the anterior two thirds of the vertebral bodies. The middle column (red dotted line) includes the posterior aspect of the vertebral bodies, the posterior annulus fibrosis, and the posterior longitudinal ligament. The posterior column (thick blue dotted line) includes all of the spine posterior to the longitudinal ligament (thick blue dotted line).
Lumbar spine trauma. The structures of the lumbar spine can be considered as 3 columns. Trauma to the lumbar spine may result in injury limited to the anterior, middle, or posterior column, or it may involve multiple spinal columns, resulting in gross instability.
Lumbar spine trauma. Lateral drawing of the 3 spinal columns of the thoracolumbar junction. The anterior column (black dotted line) includes the anterior spinal ligament, the anterior annulus fibrosis, the intervertebral disc, and the anterior two thirds of the vertebral bodies. The middle column (red dotted line) includes the posterior aspect of the vertebral bodies, the posterior annulus fibrosis, and the posterior longitudinal ligament. The posterior column (thick blue dotted line) includes all of the spine posterior to the longitudinal ligament (thick blue dotted line).
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