• Patient Education
• ACL Injuries

ACL Injuries - Symptoms

• Overview
• Symptoms
• Diagnosis
• Treatment
• Recovery
• FAQ

What are the signs and symptoms of an ACL injury?

twist or strain has occurred which causes the following signs:

• "Pop" - Many patients, but not all, will hear or feel a "pop" when the ACL tears.
• Immediate onset of swelling - This is an indication that there is bleeding from the injured ligament.
• Pain - Most patients experience quite a bit of pain with an ACL injury.
• Instability - Patients often describe a buckling or unstable sensation in the knee. see "What is an ACL injury?"