EE WAS STANDING ON TOP OF A 590 SCOOP AND HE JUMPED DOWN OFF THE SCOOP ONTO THE BUCKET AND LANDED ON SOME DIRT ROLLING HIS ANKLE OVER. CAUSE OF THIS INJURY WAS AN UNSAFE ACT OF THE EE. RULES/R EGS WERE A FACTOR, MINER PROFICIENCY A FACTOR, PROTECTIVE DEVICES WAS NOT A FACTOR, MINING EQUIPMENT/SYSTEMS WAS NOT A FACTOR.