EE WAS LIFTING A 1 1/2 INCH PULL CABLE TO A ROCK TRUCK STRUCK IN THE MUD. AS HE WAS LIFTING THE CABLE HE BEGAN TO EXPERIENCE PAIN IN HIS LOWER BACK. HE DID WORK THE NEXT DAY AND ON 1-31-03 HE ADVISED MINE MANAGEMENT HE WAS GOING TO SEE A PHYSICIAN. HIS NEXT SCHEDULED DAY TO WORK 2-3-03 HE FAILED TO REPORT TO WORK.