EE SUFFERRED A BACK INJURY IN NOV 1998. IN FEB 2000, THE EE SUFFERRED A REOCCURRENCE OF THIS INJURY. HE PULLED AND STRAINED HIS BACK WHILE TRYING TO CLOSE THE DOOR TO THE IMPACTOR. BACK SURGER Y WAS PERFORMED ON 7-13-00: L4 TO S1 FUSION WITHINTERBODY CAGES AT THE L4-5 MOTION SEGMENT.