Lateral knee instability after total knee replacement. This is a varus stress test that is showing excessive lateral knee joint laxity. This patient will be able to overcome this deficit with a focus on balance, coordination, and strength training. | Total Therapy Solutions: Physical Therapy

Varus Stress Test for Lateral Collateral Ligament (LCL) Injuries and the Posterolateral Complex The Varus or Adduction Stress test is designed to stress the lateral collateral ligament. In the 0° position, the test stresses the whole Posterolateral complex (PLC) which is composed of the lateral (fibular) collateral ligament, the arcuate ligament, the popliteofibular ligament, posterior third of the lateral capsule and the fabellofibular ligament (when a fabella is present). In 20° flexion, the L