THE EE WAS OPERATING THE LAND ROVER ON A GRADE UNDERGROUND. THE PIECE OF EQUIPMENT STARTED PICKING UP SPEED. THE EE UNABLE TO SLOW IT DOWN, DECIDED TO EASE THE EQUIPMENT INTO THE RIB TO STOP IT. THE FORCE OF THE MACHINE HITTING THE COAL RIB CAUSED THE ENGINE END OF THE EQUIPMENT TO TURNOVER, WHICH IN TURN CAUSED HIS LEFT HAND TO HIT THE FRAME OF THE CAB RESULT IN SOFT TISSUE INJ.