Medical research

For advances in treating ACL injuries, look to dogs

Even after surgery, injuries to the anterior cruciate ligament (ACL) often lead to chronic pain and reduced mobility, with limited options for treatment. New research suggests that advances in knowledge and therapeutics may ...

Surgery

Study examines how ACL surgery contributes to greenhouse gases

A University of Pittsburgh study inspired by the late Freddie H. Fu, MD, one of the world's leading orthopedic surgeons, is tackling a significant contributor to climate change: the health care sector. Engineers and physicians ...

Sports medicine & Kinesiology

Feel a pop, then pain in your knee? It could be an ACL tear

You're playing tag with your kids, hitting a fast tennis return shot, landing after a gymnastics vault, evading a football tackle or jumping off a rock onto the beach. Suddenly, you feel a pop in your knee, then immediate ...

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The anterior cruciate ligament (ACL) is a cruciate ligament which is one of the four major ligaments of the human knee. In the quadruped stifle (analogous to the knee), based on its anatomical position, it is referred to as the cranial cruciate ligament.

The ACL originates from deep within the notch of the distal femur. Its proximal fibers fan out along the medial wall of the lateral femoral condyle. There are two bundles of the ACL—the anteromedial and the posterolateral, named according to where the bundles insert into the tibial plateau. The ACL attaches in front of the intercondyloid eminence of the tibia, being blended with the anterior horn of the medial meniscus. These attachments allow it to resist anterior translation and medial rotation of the tibia, in relation to the femur.

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