The anterior cruciate ligament (ACL) is one of the most commonly injured ligaments of the knee. Injuries occur predominately in a young and sports-active population.
Attachments
Broad tibial footprint lies at a point one third to one half the distance between the medial and lateral tibial spines, 5-7 mm anterior to the PCL.
On the femoral side, the attachment lies on the medial aspect of the lateral femoral condyle, just anterior to the posterior aspect of the intercondylar notch.
Course
Ligament courses obliquely, running from the tibia anteriorly and medially to the femur posteriorly, superiorly, and laterally
An intercruciate ligament joins the ACL to the PCL. This intercruciate ligament may have some role in proprioception and coupling of the 2 ligaments.