EMPLOYEE WAS IN THE PROCESS OF MOVING THE ROOF BOLTER MACHINE TO ROOM 2 ON UNIT 1. THE OTHER ROOF BOLTER OPERATOR STARTED THE ROOF BOLTING MACHINE CAUSING THE TRAILING CABLE TO COME LOOSE FROM THE TIE-OFF BLOCK AND THE CABLE TO STRIKE THE EMPLOYEE ON THE RIGHT ELBOW AND RIGHT KNEE. THIS INCIDENT HAS BEEN UNDER INVERTIGATION PENDING THE MEDICAL REPORTS.