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ACL (Anterior Cruciate Ligament) Injuries

When To Call A Doctor

Prognosis

Additional Info

Symptoms

Symptoms of an ACL injury can include:

Feeling a "pop" inside your knee when the ACL tears
Significant knee swelling and deformity within a few hours after injury
Severe knee pain that prevents you from continuing to participate in your sport (most common in partial tears of the ACL)
No knee pain, especially if the ACL has been completely torn and there is no tension across the injured ligament
A black and blue discoloration around the knee, due to bleeding from inside the knee joint
A feeling that your injured knee will buckle, "give out" or "give way" if you try to stand

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