EE WAS HELPING UNLOAD CASES OF ANTI-FREEZE FROM A TRUCK. AS HE WAS PICKING UP CASES HE EXPERIENCED A SHARP PAIN IN HIS NECK AND SHOULDER. HE THOUGHT IT WOULD BE OKAY BUT PAIN KEPT PERSISTING & WE ADVISED HIM TO SEE A WORKERS'COMP. PANEL DR. HE HAS HAD PRE-EXISTING CONDITIONS IN THIS AREA.