EE STATES, ""WALKING, DOING DAIL INVENTORY, SLIPPED IN MUD, DID SPLITS. GRABBED PALLET AS NOT TO FALL, TWISTED. FINISHER INVENTORY AS I WAS ENTERING DATA, MY BACK STIFFENED UP."" EE STATES THAT HE HAS EXPERIENCED BACK AND GROIN PAIN RELATING TO THIS INCIDENT. INCIDENT HAS BEEN UNDER INVESTIGATION.