Arthroscopy: arthroscopy, a minimally invasive procedure will be carried out where by a little digicam is inserted into your knee joint to visualise the constructions inside of. The simplest way to diagnose a PCL tear is to look at the knee for posterior sag at ninety degrees of knee flexion https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/