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Knee Popping and Pain: Causes and Treatment

PCL pain

There are other knee ligaments besides your ACL that might be injured, this includes your posterior cruciate ligament (PCL). Nevertheless, compared to ACL injuries, PCL injuries—which occur in the back of your knee joint—are less frequent. With PCL you will likely experience pain and swelling in the knee.

LCL pain

The lateral collateral ligament (LCL) [2], the last of the knee’s four major ligaments, sustains injuries quite frequently. Although you may hear a snap or tearing sound if it is ripped, it could also be the sound of another ligament because it is possible for it to be injured together with another ligament in the knee.