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The posterior cruciate ligament (PCL) is a ligament in each knee of humans and various other animals. It works as a counterpart to the anterior cruciate ligament (ACL). It connects the posterior intercondylar area of the tibia to the medial condyle of the femur. This configuration allows the PCL to resist forces pushing the tibia posteriorly ...
The PCL is located within the knee joint where it stabilizes the articulating bones, particularly the femur and the tibia, during movement.It originates from the lateral edge of the medial femoral condyle and the roof of the intercondyle notch [5] then stretches, at a posterior and lateral angle, toward the posterior of the tibia just below its articular surface.
In front of and behind the intercondyloid eminence are rough depressions for the attachment of the anterior and posterior cruciate ligaments and the menisci. Two tubercles emerge from the eminence: The medial intercondylar tubercle is a protrusion on the medial condyle. The lateral intercondylar tubercle is a protrusion on the lateral condyle.
The posterior cruciate ligament (PCL) stretches from medial condyle of femur to the posterior intercondylar area. This ligament prevents posterior displacement of the tibia relative to the femur. [13] Injury to this ligament is uncommon but can occur as a direct result of forced trauma to the ligament. [citation needed]
The cranial cruciate ligament prevents the tibia from slipping forward out from under the femur. [7] Stifle injuries are one of the most common causes of lameness in rear limbs in dogs, and cruciate ligament injuries are the most common lesion in the stifle joint. A rupture of the cruciate ligament usually involves a rear leg to suddenly become ...
Injuries to the PLC often occur in combination with other ligamentous injuries to the knee; most commonly the anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL). [2] As with any injury, an understanding of the anatomy and functional interactions of the posterolateral corner is important to diagnosing and treating the injury.
The posterior cruciate ligament of the knee joint is attached to the lower and front part of the medial wall of the fossa and the anterior cruciate ligament to an impression on the upper and back part of its lateral wall. [3] The articular surface of the lower end of the femur occupies the anterior, inferior, and posterior surfaces of the condyles.
Posteriorly, the condyles are separated from each other by a shallow depression, the posterior intercondyloid fossa, which gives attachment to part of the posterior cruciate ligament of the knee-joint. The medial condyle presents posteriorly a deep transverse groove, for the insertion of the tendon of the semimembranosus.