On 7/25/06 employee was installing longwall jumbo track and on 7/28/06 employee was hanging 13.8 cable. On 7/31/06 employee reported pain in back, shoulders and neck as a result of these two work tasks and began missing work. Verification was received on 8/10/06 relating her injury to the 7/25/06 incident date, with further aggravation on 7/28/06 task.