EE WAS WORKING WITH A CREW DOING A CONVEYOR BELT REPLACEMENT. EE SAID THAT AT THE TIME OF THE INJURY HE SIMPLY WAS MOVING HIS RIGHT ARM WHEN HE ""FELT SOMETHING POP"" IN HIS SHOULDER AREA. THE M EN HAD BEEN WORKING WITH CUM-A-LONGS PREVIOUSLY. EE TOLD A CO-WORKER & THE PIT FORMEAN THAT HE HURT HIS SHOULDER BUT DID NOT GO TO THE DOCTOR UNTIL 8/26/03.