Can happen in individuals with early stage and Superior disorder, As well as in cancer survivors as being a serious and debilitating facet-effect of treatment. When the PCL pulls off a little piece of bone from your back of the decreased leg (tibial avulsion), the PCL could be surgically repaired. https://www.theorthopaedicandpainpractice.com/what-happens-if-i-injure-my-posterior-cruciate-ligament/