Knee Surgery: Torn ACL

If you like this animation, LIKE us on Facebook: Visit for FREE videos for healthcare providers. This 3D medical animation shows a knee surgery ACL repair. The anterior cruciate ligament, or ACL, is one of the four main ligaments connecting the femur to the tibia. The ACL provides stability as you move your knee. f your ACL tears through completely, your doctor may recommend surgery to repair it.