THIRTY MINUTES INTO THE SHIFT A WATER TRUCK DRIVER REPORTED LOW BACK PAIN. HE INDICATED TO THE EMERGENCY ROOM PHYSICIAN THAT HE MAY HAVE HIT A BUMP. HE SAW HIS REGULAR PHYSICIAN THE NEXT DAY W HO DIAGNOSED DEGENERATIVE CHANGES TO HIS BACK. HE HAS HAD SEVERAL REPORTED BACK STRAINS OVER THE LAST 10 YR.