Inferior lumbar triangle
Citation, DOI, disclosures and article data
At the time the article was created Manchikanti Venkatesh had no recorded disclosures.View Manchikanti Venkatesh's current disclosures
At the time the article was last revised Henry Knipe had no recorded disclosures.View Henry Knipe's current disclosures
The inferior lumbar triangle, also known as the Petit triangle, is an anatomical space through which inferior lumbar hernias can occur. It is not to be confused with the adjacent superior lumbar triangle (of Grynfeltt-Lesshaft).
- inferiorly: iliac crest
- anteriorly: external oblique muscle
- posteriorly: latissimus dorsi muscle
- floor: internal oblique muscle
History and etymology
The first description of the inferior or superficial lumbar hernia by French surgeon Jean-Louis Petit (1672-1750) in 1738 4,5.