WHILE PREPARING TO CHANGE THE OIL IN THE CONE CRUSHER, THE EMPLOYEE REACHED ACROSS A 55 GALLON OIL DRUM TO RELOCATE IT AND FELT A SHARP PAIN IN THE LOWER RIGHT SIDE OF HIS BACK. HE SAW A DOCTOR ON THAT DAY, BUT DID NOT HAVE ANY LOST TIME FROM WORK UNTIL DECEMBER 10, 2004 WHEN THEY DECIDED TO DO SURGERY.