EE WAS HAMMERING CONCRETE OFF STEEL BEAM WITH SMALL WELDING HAMMER. EE WAS STANDING, STRADDLING METAL PIECE, & SWINGING HAMMER WITH RT. HAND. HAMMER STRUCK EE'S LOWER INNER L. ANKLE. TAKEN TO DR. WHO FOUND NO BROKEN BONES. IMPACTED NERVE WITH SWELLING & BRUISING. NO LOST TIME BUT ON RESTR. DUTY UNTIL 3/7/05 RE-EVALUATION. 10/11/05: NO RESTR. DUTIES & RX - PAIN MED. ONLY.