August 3, 2026 · The American journal of sports medicine · DOI: 10.1177/03635465261468548

Length Changes of the Lateral Knee: Fibular Collateral Ligament, Anterolateral Ligament, and Iliotibial Band Fibers

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This study aimed to characterize the length changes of the fibular collateral ligament (FCL), anterolateral ligament (ALL), and iliotibial band (ITB) fibers in cadaveric knees during flexion. The authors found that the FCL and ALL shortened with increased knee flexion, while the ITB fibers exhibited transient lengthening before returning to baseline at deeper flexion angles. These findings provide valuable anatomical insights that could inform graft fixation strategies in lateral knee reconstructions.

Edouard J Augustin, Zachary R Oppenheim, Jose Vega, Fernando Gomez Verdejo, Felipe J Casanova, German Escribano, Ali Can Koluman, Andrew S Bi, Jorge Chahla, Adam B Yanke

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