The knee has two crescent-formed cartilage buildings referred to as menisci, which work as shock absorbers and facilitate easy movement from the joint. Tears from the meniscus or cartilage can develop from unexpected twists, deep squats, or degenerative modifications with time.  The hamstring grafts are harvested from the individual via https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/