What Is a PCL Injury? A posterior cruciate ligament (PCL) injury is a tear or sprain of the PCL, a ligament that crosses the back of your knee. Ligaments are tough bands of tissue that connect bones.
The posterior cruciate ligament (PCL) is the strongest ligament in the knee joint. Ligaments are thick, strong bands of tissue that connect bone to bone. The PCL runs along the back of the knee joint ...