The knee has two crescent-formed cartilage buildings called menisci, which work as shock absorbers and aid sleek motion on the joint. Tears during the meniscus or cartilage can build from unexpected twists, deep squats, or degenerative adjustments after some time.  The easiest method to diagnose a PCL tear is to https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/