LCL is an abbreviation of 'lateral collateral ligament'.

medial and lateral collateral ligaments
The lateral collateral ligament is also often called the fibular collateral ligament because of its attachment to the fibula.

 

LCL - a structure of the posterolateral corner

The side of the knee towards the back is anatomically complex, and is referred to as the posterolateral corner, of which the LCL is a part.

Synonyms: 
Fibular collateral ligament
Lateral collateral ligament
FCL
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Multiligament instability of the knee

An overview of the types of multiligament instability seen in the knee.

Knee ligaments

A quick overview of the ligaments at the side of the knee.

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CLINICAL PUBLICATIONS

Lateral Collateral Ligament Injury About the Knee: Anatomy, Evaluation, and Management. Grawe B, Schroeder AJ, Kakazu R and Messer MS. J Am Acad Orthop Surg. 2018 Mar 15;26(6):e120-e127. doi: 10.5435/JAAOS-D-16-00028.

Anatomic Fibular Collateral Ligament Reconstruction. Moatshe G, Dean CS, Chahla J, Cruz RS and LaPrade RF. Arthrosc Tech. 2016 Apr; 5(2): e309–e314.


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