OPERATING A ROOF BOLTER IN THE FACE AREA, DRAW ROCK FELL, EE JERKED BACKWARDS TO POSITION HIMSELF UNDER THE MACHINE CANOPY. THE SUDDEN BODY JERK RESULTED IN PAIN TO EE LEFT SHOULDER AND DOWN HIS LEFT ARM. CONTINUED TO EXPERIENCE PAIN TO HIS NECK AND SHOULD, STARTED MISSING SCHEDULED WORK DAYS 10/22/2004, BECAME A REPORTABLE INJURY ON THAT DATE.