The Posterior Cruciate Ligament (PCL) is one of the key ligaments located in the knee joint. It connects the femur (thigh bone) to the tibia (shin bone) and helps stabilize the knee by preventing the tibia from sliding backward relative to the femur. The PCL plays a crucial role in maintaining proper knee function during activities such as walking, running, and jumping. Injuries to the PCL can occur due to trauma, such as a fall or a direct blow to the knee. Symptoms of a PCL injury may include pain, swelling, and difficulty in moving the knee. Treatment options vary depending on the severity of the injury and may include physical therapy, bracing, or, in some cases, surgery.