EE PICKED UP HAUL TRUCK WITH LOAD, TRIED TO DUMPIT BUT THE LOAD PLACEMENT DID NOT ALLOW TRUCK TODUMP. EE BACKED INTO A SMALL DITCH & DUMPED LOADAS THE BED WAS RAISING THE FRONT OF THE TRUCK RO SE UP. WHEN LOAD DUMPED, THE TRUCK'S FRONT END CAME BACK DOWN CAUSING HER CHEST TO HIT STEERINGWHEEL.