WHILE OPERATING THE TRAIN, THE EMPLOYEE THOUGHT THE LOAD FELT LIGHT, STOPPED, PUT ON THE PARK BRAKE, AND WAS GOING TO SEE WHAT THE ISSUE WAS. BEFORE EXITING THE TRAIN, TRAIN CARS THAT CAME OFF OF THE TRAIN HIT THE BACK CAUSING THE EMPLOYEE TO FALL FORWARD IN THE TRAIN AND HIT LEFT LEG AND LEFT CHEEKBONE.