INFORMATION PROVIDED TO ME ON 3/9/00 INDICATES THAT EE'S LEFT KNEE PAIN HAS BEEN DIAGNOSED AS WORK RELATED. EE ALLEGED ON 2/17/00 THAT HE INJURED HIS LEFT KNEE WHILE PULLING SHIELDS ON THE LW FACE WHEN A SUDDEN UNEXPECTED SHIELD MOVEMENT CAUASED HIM TO TWIST HIS LEFT KNEE AS HE ATTEMPTED TO MOVE HIS FOOT.