EMPLOYEE STRAINED HIS BACK WHILE LEANING FORWARD AND UNBOLTING A FLANGE. THE FLANGE WAS NOT HEAVY BUT HE WAS IN AN AWKWARD POSITION. ON 10/17/02 HE REQUESTED AN X-RAY WHICH WAS NEGATIVE. HE WA S GIVEN A PRESCRIPTION FOR PAIN AND MUSCLE RELAXATION. HE CONTINUES TO PERFORM REGULAR JOB.