EE TWISTED RIGHT KNEE WHILE WORKING ON UNEVEN GROUND. THIS WAS NO REPORTED WITHIN 10 DAYS AS EE DID NOT THINK HE WOULD BE GOING TO THE DR. KNEE STARTED BOTHERING HIM;EE WENT TO DR 8/30/04. EE DID NOT MISS ANY WORK & CAN PERFORM ESSESENTIALLY ALLHIS DUTIES & WORKING AT REGULAR JOB. 11/12/04 EE HAD ARTHROSCOPIC SURGERY OF FOR 34 DAYS.