Fifth and lowermost lumbar vertebra; largest lumbar body
Expansion
Lumbar vertebra 5
Purpose
L5 to S1 most common disc herniation level
Clinical Context
Lumbar vertebra 5: largest lumbar body. L5 to S1 disc most common herniation location. Spondylolisthesis (L5 forward on S1) common degenerative finding.
Related Terms
- S1
- L4 to L5
Key Points
- L5 to S1 most common herniation level; L4 to L5 second most common