4/27/06 am: 2 Employee changed dragline 3p.m.: Injured complained to the other that his back was sore. 4:28/06:EE reported a sore back-Did not feel he needed to go to the doctor. Said that he must have turned wrong and that this happens every so often due to pre-existing conditions. Degenerative Disc and Austioarthritis. 5/8/06: Reported back sore. 5/9/06:Went to doctor.