EE WAS WORKING AROUND THE HEADGATE DRIVE FRAME, WHEN HE STEPPED ONTO AN 8""X8"" CRIB BLOCK HIS WEIGHT SHIFTED TO HIS RIGHT FOOT, CAUSING THE BLOCK TO ROLL AND EE FELL TO THE GROUND INJURING HIS RIGHT ANKLE. AFTER EVALUATION AT MESA OCCUPATIONAL AND SPORTS MEDICINE IT WAS DETERMINE THAT HE FRACTURED HIS LOWER RIGHT LEG.