WHILE STACKING EMPTY PALLETS, THE INJURED PERSON LISTED FELT A PULL IN THE MUSCLE AREA OF THE RIGHT GROIN AREA. WHEN THE PAIN IN THIS AREA PERSISTED AFTER ABOUT AN HOUR, IT WAS REPORTED TO THE MINE FOREMAN IN CHARGE. AN INCIDENT REPORT WAS FILED. FIRST AID ONLY UNTIL 8-23-01.