Posterior cruciate ligament

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Posterior Cruciate Ligament

The Posterior Cruciate Ligament (PCL) is one of the four major ligaments of the knee. It originates from the posterior intercondylar area of the tibia and inserts into the medial condyle of the femur. This ligament is responsible for preventing the tibia from sliding backwards under the femur.

Anatomy[edit | edit source]

The PCL is located within the knee. It connects the femur to the tibia. The ligament is named for its posterior insertion on the tibial plateau.

Function[edit | edit source]

The primary functions of the PCL is to prevent posterior translation of the tibia on the femur. The PCL is also important in controlling the amount of tibial external and internal rotation.

Clinical significance[edit | edit source]

Injury to the PCL can occur as a result of direct impact, such as in an automobile accident, or during sports when an athlete falls on a bent knee with the foot pointed down. The ligament can also be injured by a direct blow to the front of the knee.

Treatment[edit | edit source]

Treatment for PCL injuries includes rest, ice, and elevation. Nonsteroidal anti-inflammatory drugs (NSAIDs) may also be used to help reduce pain and swelling. In severe cases, surgery may be required to repair or reconstruct the PCL.

See also[edit | edit source]


Posterior cruciate ligament Resources

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