What are knee ligaments? Anterior cruciate ligament (ACL). The ligament, located in the center of the knee, that controls rotation and forward movement of the tibia (shin bone).

Where do you feel pain with an ACL tear?

You will likely feel pain in the center of your knee during an ACL tear. Because the MCL is located on the side of your knee, the pain and swelling will be located on the inside of the knee structure rather than the middle.

What does ACL pain feel like?

Signs and symptoms of an ACL injury usually include: A loud pop or a "popping" sensation in the knee. Severe pain and inability to continue activity. Rapid swelling.