EE WAS WORKING ON A DRAG LINK ON A PICKUP TRUCK AND WHILE INSTALLING THE FRONT LEFT TIRE, HE FELT A PULL IN HIS BACK. EE WENT FOR MEDICAL ATTENTION AND RETURNED TO WORK THE SAME DAY. THEN HE W ORKED UNTIL 3-4-02, WHEN DR. REQUESTED HE STAY OFF WORK FOR SEVEN DAYS & THEN CHECK BACK WITH HIM.