2. Symptoms
The symptoms of a PCL tear or injury may not be as obvious as other knee injuries. For example, when the ACL tears many people hear a popping sound followed by extreme pain. With a PCL injury, there is generally no noise. Pain is usually mild and mimics that of a simple knee injury or strain. Pain and swelling will worsen if untreated, however, and this should indicate to the injured party that there is a bigger problem. Other symptoms of a PCL injury include trouble walking and instability in the knee.
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