THREE MAINTENANCE REPAIRPERSONS WERE working behind LINE 8 PRIMARY MILL. AS THE FORKLIFT OPERATOR WAS BACKING UP, THE REAR OF FORKLIFT STUCK AN EMPLOYEE IN RIGHT foot and ultimately backing over right leg. Employee sustained bruising and skin abrasions to right leg calf and thigh. EMPLOYEE WAS TAKEN TO UP HEALTH SYSTEM- BELL FOR EVALUATION, X-RAYS WERE NEGATIVE.