THE EMPLOYEE WAS USING A WHEELBARROW AND WENT TO PUSH IT OVER THE RAIL CAR TRACKS. THE WHEEL HIT THE METAL TRACK AND BOUNCED BACK CAUSING HIM TO LOOSE HIS BALANCE. HE FELL ONTO THE RAIL CAR TRACK AND STRUCK THE UPPER FEMUR OF HIS RIGHT LEG ON THE TRACK. HE REQUESTED MEDICAL TREATMENT ON 5/23/07.