The anterolateral corner (ALC) is that region on the outer side of the front of the knee.
Page updated July 2024 by Dr Sheila Strover (Clinical Editor)
![anterolateral corner](/sites/default/files/users/user1/anterolateral-corner.png)
The region at the front of the knee on the outer side.
Structures of the anterolateral corner
The anatomy includes the superficial and deep aspects of the iliotibial band (ITB) and its attachments to the femur, along with the anterolateral ligament (ALL), a capsular structure within the anterolateral capsule.
The lateral collateral (or fibular collateral) ligament and the tendon of the popliteus are also in this area.
Synonyms:
ALC
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