EMPLOYEE TRIPPED WHILE PULLING THE MINER CABLE BACK, HE LOST HIS BALANCE AND FELL ON HIS BACK. CAUSE OF INJURY WAS AWARENESS. COMPLIANCE WITH RULES/REGS WAS NOT A FACTOR. PERSONAL SAFETY EQUI PMENT NOT A FACTOR, MINER PROFICIENCY A FACTOR, MINING EQUIP OR SYSTEMS NOT A FACTOR.