Certain maneuvers can exam the functionality on the PCL. By far the most responsible is definitely the posterior drawer check. With all the knee bent, your healthcare supplier will drive the tibia backward; this stresses the PCL. If your PCL is deficient or torn, the tibia will slide too much https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/