The knee has two crescent-formed cartilage constructions known as menisci, which act as shock absorbers and aid sleek movement from the joint. Tears within the meniscus or cartilage can establish from sudden twists, deep squats, or degenerative changes eventually.  The recovery system for your PCL injury may differ based on https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/