(See Attachments)EE had been experiencing back pain. On 1/24/13 the EE exp. more back pain. Notes from a case worker suggest he slipped that day and landed on his buttocks and was also recovering cable with several coworkers. The EE was released to work on 1/25/13. The EE had a microdisectomy in 2/2007. Dr. took EE off work for P.T. 1/28/13.