Anterolateral ligament of the knee
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The anterolateral ligament of the knee (ALL) is a ligament that has been implied in rotational stability of the knee joint. Some think that its presence (or reconstruction) may result in better outcomes from ACL stabilization surgery 2. The ligament has also been implied in Segond fractures 3.
Gross anatomy
- origin: prominence of the lateral femoral epicondyle, slightly anterior to the origin of the lateral collateral ligament
- insertion: anterolateral aspect of the proximal tibia (between Gerdy's tubercle and the tip of the fibular head), with firm
attachementsattachments to the lateral meniscus
Function
The ALL is thought to be involved in rotational stability of the knee, checking internal tibial rotation. Injury of the ligament is thought to be related to pivot shift injuries
Radiographic features
The normal ligament can be identified with MRI and ultrasound 5,6. Whether imaging modalities are able to identify an injured ligament from an absent ligament is still an area of research.
History and etymology
Thought to have been first described by Paul Segond, a French surgeon, in 1879 7.
-<li>insertion: anterolateral aspect of the proximal tibia (between Gerdy's tubercle and the tip of the fibular head), with firm attachements to the lateral meniscus</li>- +<li>insertion: anterolateral aspect of the proximal tibia (between <a title="Gerdy's tubercle" href="/articles/gerdys-tubercle">Gerdy's tubercle</a> and the tip of the fibular head), with firm attachments to the lateral meniscus</li>
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