EE WAS CLEANING DIRT FROM CHUTES WHERE DRAG ROPE RUN THROUGH THE MACHINE HOUSE. THE CHUTE IS 43 IN. HIGH BY 40 IN WIDE. EE HAD TO MOVE DIRT 5 FTDOWN THE CHUTE FROM A KNEELING OR SQUATTING POSI TION. WHILE MOVING FROM ONE CHUTE TO ANOTHER HE FELT BURNING IN LEFT THIGH. THIS WAS TREATED & HE WAS RELEASED. CONTINUED TO HAVE NUMBNESS. DR. PRESCRIBED RX & BACK BRACE MAKING THIS REPORTAB