EE PARKED A FORD F250 PICKUP IN ORDER TO GET TOOLS OUT OF ANOTHER VEHICLE. HE LEFT THE TRUCK RUNNING. A SHORT TIME LATER HE NOTICED THE TRUCK ROLLING BACKWARDS & RAN AFTER IT TO STOP IT. WHEN HE JUMPED IN, HE HIT HIS BACK ON THE BACK OF CAB AT THE DOOR OPENING. HE DROVE THE TRUCK TO THE SHOP & WENT TO HIS FAMILY DOCTOR AFTER THE SHIFT. MAINTENANCE FOUND A BROKEN CLIP THAT HOLDS THE