EE STATED THAT ON 4/8/04 HE WAS HELPING LIFT A TIMER WHEN HE FELT PAIN IN HIS BACK. HE ALSO STATED THAT ON 4/14/04, WHILE LIFTING CABLE HE FELT PAIN IN HIS BACK. HE STARTED MISSING WORK ON 5/17/04 AS A RESULT OF HIS INJURY AND RET'D TO WORK ON 5/26/04