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Arthroscopic- Assisted Fibular-Based Dual Reconstruction With Popliteus Repair for Posterolateral Corner Injury.

S Ali Ghasemi¹, Ahmad Naja¹, Benjamin C Murray²

¹Thomas Jefferson University, Einstein Regional Orthopedic Specialists, Philadelphia, Pennsylvania, U.S.A.

Arthroscopy Techniques

|October 24, 2025

Summary

Posterolateral corner (PLC) injuries impair knee stability. This study introduces a novel arthroscopic dual reconstruction with popliteus repair to restore both static and dynamic knee function, improving patient outcomes.

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Area of Science:

Orthopedic Surgery
Sports Medicine
Knee Biomechanics

Background:

The posterolateral corner (PLC) is crucial for knee stability, providing both static and dynamic support.
Injuries to the PLC compromise these stabilizing functions, leading to significant knee instability.
Current surgical techniques often fail to address the dynamic role of the PLC, particularly the popliteus tendon.

Purpose of the Study:

To describe a novel arthroscopic-assisted surgical technique for PLC reconstruction.
To restore both static and dynamic stability of the knee joint.
To specifically address the dynamic function of the popliteus tendon within PLC reconstruction.

Main Methods:

Development and description of an arthroscopic-assisted, fibular-based dual reconstruction technique.
Inclusion of popliteus tendon repair as a key component of the reconstruction.
Focus on restoring both static and dynamic stabilizing properties of the PLC.

Main Results:

The described technique aims to comprehensively address PLC injuries by reconstructing static stabilizers.
The integrated popliteus repair component specifically targets the restoration of dynamic knee stability.
This dual approach seeks to provide a more complete solution for PLC injuries compared to existing methods.

Conclusions:

The described arthroscopic-assisted fibular-based dual reconstruction with popliteus repair offers a promising approach for restoring comprehensive PLC function.
This technique has the potential to improve both static and dynamic knee stability following PLC injuries.
Addressing the dynamic role of the popliteus tendon is essential for effective PLC reconstruction.