EE REPORTED: HELPING COWORKER MOVE ROOF BOLTING MACHINE FROM WORK AREA OUT TO PARK IN A CROSSCUT. THE COWORKER WAS AT CONTROLS (BACKING MACHINE), THE INJURED WORKER WAS ALONGSIDE THE MACHINE S TORING EXCESS CABLE ON TOP OF THE TOP TRAYS. HIS FOOT WAS CAUGHT UNDER THE TIRE OF THE MACHINE RESULTING IN A CONTUSION TO THE TOP OF THE FOOT.