Arthroscopy: arthroscopy, a minimally invasive technique will be conducted where a little camera is inserted to the knee joint to visualise the buildings inside of. Injuries on the PCL can lead to a diminished number of motion while in the knee. Bending or straightening the knee totally can be difficult https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/