EE WAS WORKING ON F250 TRUCK. HE THEN BEGAN WORKING ON THE DASHBOARD. HE WAS WORKING AROUND THE STEERING WHEEL, BENT OVER THE WHEEL TO TAKE THE PANEL OUT OF THE DASH AND FELT PAIN IN THE LOWER BACK AREA. HE WAS IN A BAD POSITION AS HE BENT OVER THE STEERING WHEEL. INJURY DIAGNOSED AS AN ACUTE STRAIN. HE IS EXPECTED TO MISS ABOUT ONE WEEK.