Gross anatomy the pcl attaches to the posterior intercondylar area and passes anterosuperiorly to insert into the lateral surface of the. It acts as the major stabilizing ligament of the knee.
The posterior cruciate ligament pcl is one of four ligaments that hold the knee in place and provide added stability.
Pcl anatomy. And prevents the tibia from excessive posterior displacement in relation to the femur. The primary function of the pcl is to resist posterior displacement of the tibia in relation to the femur. This configuration allows the pcl to resist forces pushing the tibia posteriorly relative to the femur.
More specifically the pcl helps to ensure proper alignment of the femur and tibia also called the thighbone and shinbone. Pcl tibial attachment anterolateral bundle attaches proximal to edge of shelf posteromedial bundle attaches over edge of shelf most posterior fibres dissipate periosteally andrew amis biomechanics section of imperial college london the most posterior fibres of the pcl wrap over the edge of the shelf and dissipate into the. Ligaments are fibrous tissue that usually connect bones.
Its secondary function is to prevent hyperextension and limit internal and varusvalgus rotation. 5 the pcl is an extrasynovial structure that lies behind the intra articular portion of the knee. The posterior cruciate ligament pcl is one of the two cruciate ligaments that stabilize the knee joint.
The posterior cruciate ligament or pcl is one of the four major ligaments of the knee. The pcl is one of the two cruciate ligaments of the knee. It connects the posterior intercondylar area of the tibia to the medial condyle of the femur.
Measurements of clinically relevant anatomic structures would provide more useful surgical guidance. The clock face method to identify the femoral posterior cruciate ligament pcl attachment has poor accuracy and reproducibility. It also functions to prevent hyper extension and limits internal rotation adduction and abduction at the knee joint.
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