Reverse Pivot-Shift Test for Posterolateral Corner Injuries The posterior lateral corner, abbreviated as PLC is a complex area that involves many structures of which the Lateral Collateral Ligament, the popliteus tendon and the popliteofibular ligament are said to be the most important stabilizers. PLC Injuries often happen due to direct blows to the anterior medial knee, hyperextension, or non-contact varus stress injuries, and often occur together with ACL or PCL tears, with only 28% of PLC te