The anterior cruciate ligament runs diagonally in the middle of the knee. It prevents the tibia from sliding out in front of the femur and provides rotational stability to the knee. The PCL keeps the shinbone from moving backward too far. It is stronger than the ACL and is injured far less often.

ACL tears are common athletic injuries leading to anterior and lateral rotatory instability of the knee. Diagnosis can be suspected clinically with presence of a traumatic knee effusion with increased laxity on Lachman's test but requires MRI studies to confirm diagnosis.

Whether an ACL injury requires surgery varies from patient to patient and depends on the patient's activity level, degree of injury and instability symptoms. This article is intended to assist patients in making the best-informed decision possible regarding the management of ACL injury.

The anterior cruciate ligament (ACL) is one of a pair of cruciate ligaments (the other being the posterior cruciate ligament) in the human knee. The two ligaments are called "cruciform" ligaments, as they are arranged in a crossed formation.

Established nearly 20 years ago, the Multicenter Orthopaedic Outcomes Network (MOON) Knee Group is one of the world’s leading resources on ACL injuries, reconstruction, rehabilitation and injury prevention.

2025年3月24日 · The anterior cruciate ligament (ACL) is a band of tissue in your knee that stabilizes movement and prevents excessive twisting. Think of it as the body’s built-in shock absorber. When it tears—usually from a sudden pivot, awkward landing, or direct hit—the knee loses stability, making high-impact sports and activities nearly impossible ...

The anterior cruciate ligament (ACL) is the central stabilizing ligament of the knee. Running through the knee from the front of the tibia (shin bone) to the back of the femur (thigh bone) it assists proper movement of the joint and prevents abnormal slippage of the bones.

A torn ACL does not heal without treatment, resulting in ACL reconstruction being one of the most common orthopedic procedures in the U.S. Yet the procedure has drawbacks; some procedures require two separate incisions, and some people who undergo reconstruction are unable to return to the same level of daily activities or sports.

2024年11月18日 · The anterior cruciate ligament (ACL) is positioned at the front, while the posterior cruciate ligament (PCL) is at the back. Together, they regulate the forward and backward movement of the knee. The ACL runs diagonally through the center of the knee, preventing the tibia from sliding too far forward relative to the femur and ensuring ...

2025年3月23日 · In this lecture clip, Professor Andrew Amis provides an in-depth look at the anatomy of the Anterior Cruciate Ligament (ACL), highlighting its structural composition, biomechanical function, and clinical significance. This excerpt is part of a broader lecture on "Surgical Anatomy of the ACL, Posterolateral Corner, and Anterolateral Structures", delivered at the Imperial Sports Knee Meeting ...