Particular maneuvers can take a look at the function in the PCL. Probably the most reputable is the posterior drawer check. With all the knee bent, your healthcare company will push the tibia backward; this stresses the PCL. When the PCL is deficient or torn, the tibia will slide too https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/