When the posterior cruciate ligament is torn the stability of the tibia traveling posteriorly is compromised and the knee is less stable with straight plane movements in this direction.
Pain in the front of the shoulder and down to the biceps muscle Pain that is often worse with lifting the arm in front of the body or above the shoulder Snapping ... are taken to confirm the diagnoses ...
Once a ligament is torn, it doesn’t really hurt anymore — the nerves are torn as well. If it was partially torn and you kept pulling on a partially torn ligament you can imagine it hurting ...