Structures · Ligaments
Posterior longitudinal ligament
A long band inside the canal, on the back of the vertebral bodies, in front of the cord.
SchematicShow in the 3D spine
What the sources say
“The posterior longitudinal ligament is found anterior to the spinal cord, where it is attached to the posterior sides of the vertebral bodies.” Betts et al. 2022, §7.3
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- Spinal ligaments
The bands that tie the vertebrae together along the front, inside the canal and along the back. What each one joins, which movement it limits, and how they continue up to the skull.
- The L4–L5 motion segment
Two lumbar vertebrae, the disc between them, the joints and ligaments that tie them, and the nerves that pass by. One of the two most common places for a disc to herniate, and a good place to see how bone, disc and nerve fit together.
For learning only. Levels and sizes vary between people; nothing here describes a particular person or gives medical advice. Sources: Betts et al. 2022, §7.3.