DEGENERATIVE DISEASE OF THE SPINE. EE HAD BEEN PERFORMING SOME LIFTING ACTIVITIES DURRING HIS SHIFT BUT REPORTED TO HIS SUPERVISOR THAT HE DIDNOT KNOW OF A SPECIFIC INCIDENT OF INJURY, THAT HE WAS HAVING PAIN IN HIS BACK AND THAT HE HAD BEEN HAVING TROUBLE WITH HIS BACK FOR SOME TIME.MEDICAL EXAM REVEALED DEGENERATIVE CHANGES IN THE LUMBAR SPINE.