HE WAS OPERATING MINER IN THE FACE OF #5 ENTRY, BACKING IT UP & HAD MINER CABLE IN ONE HAND & REMOTE BOX IN THE OTHER HAND. HE FELT PAIN IN HIS BACK ABOUT MID-WAY UP JUST BELOW HIS SHOULDER B LADES. HE CAME OUT OF MINE ABOUT 11 A.M. & WAS TAKEN TO DOCTOR FOR OBSERVATION. HE WAS OFF WORK FOR 7/4/00 AND THEN DID NOT RETURN FOR WORK ON7/5/00; HE MISSED 2 DAYS OF WORK, RETURNING 7/7.