EMPLOYEE WAS OPERATING LOADER AND HIT A POTHOLE AND WAS JARRED IN SEAT, TWISTING BACK. EMPLOYEE SOUGHT MEDICAL ATTENTION FOR THIS 9/16/03. NO INJURY WAS EVIDENT. EMPLOYEE WAS OUT FOR ELBOW SUR GERY AND DECIDED TO GET HIS BACK RE-EXAMINED AND THIS DIAGNOSIS WAS MADE AND THEY ARE NOW TREATING HIM FOR THIS BACK AILMENT.