Which vertebra is located at the level of the iliac crest?

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Multiple Choice

Which vertebra is located at the level of the iliac crest?

Explanation:
The iliac crest sits roughly over the fourth lumbar vertebra. In anatomy, the supracristal plane (often called Tuffier’s line) is drawn across the highest points of the iliac crests and typically intersects the spine at L4. That’s why this crest level is used as a landmark for locating L4. So, the vertebra at the level of the iliac crest is L4. L3 would be a bit higher, L5 is a bit lower, and T12 sits well above the crest.

The iliac crest sits roughly over the fourth lumbar vertebra. In anatomy, the supracristal plane (often called Tuffier’s line) is drawn across the highest points of the iliac crests and typically intersects the spine at L4. That’s why this crest level is used as a landmark for locating L4. So, the vertebra at the level of the iliac crest is L4. L3 would be a bit higher, L5 is a bit lower, and T12 sits well above the crest.

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