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Anterolateral Ligament of the Knee

From Physiopedia

Original Editor - Rachael Lowe

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The Anterolateral Ligament of the Knee (ALL) is described as a distinct ligamentous structure at the anterolateral aspect of the knee in 2013[1]



The prominence of the lateral femoral epicondyle, slightly anterior to the origin of the lateral collateral ligament. Connecting fibers between the two structures have been observed.


Oblique course to the anterolateral aspect of the proximal tibia, with firm attachments to the lateral meniscus, thus enveloping the inferior lateral geniculate artery and vein.


On the anterolateral tibia, grossly located midway between Gerdy's tubercle and the tip of the fibular head.  Definitely separate from the iliotibial band (ITB)

Nerve Supply

Vascular Supply



Given its structure and anatomic location, the ALL is hypothesized to control internal tibial rotation and thus to affect the pivot shift phenomenon.


Recent Related Research (from Pubmed)


  1. Steven Claes, Evie Vereecke, Michael Maes, Jan Victor, Peter Verdonk, Johan Bellemans. Anatomy of the anterolateral ligament of the knee. Journal of Anatomy, 2013; 223 (4): 321

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