EE BENT OVER TO PICK UP A PIECE OF THREE INCH TUBING IN THE WELD SHOP FOR A MAINTENANCE PROJECT HE WAS WORKING ON AND FELT SOMETHING IN HIS BACK. HE WENT TO THE CHIROPRACTOR AT 11:45 A.M. AFTE R THE APPOINTMENT HE RETURNED TO WORK BUT THEN WENT HOME. THIS IS A REOCCURRING INJURY. LAST 7000-1 REPORTED ON 9/8/03 AND HE WAS RELEASED ON 10/10/03.