EE WAS HELPING MOVE SOME PIPE WITH A LOADER. THEPIPE SWUNG AROUNG & STRUCK THE EE IN THE RIGHT ARM THE INITIAL MED EXAM APPEARED TO BE NEGATIVESEVERAL DAYS AFTER THE INCIDENT THE EE EXPERIENC ED PAIN & DISCOMFORT TO THE RIGHT WRIST/ARM AREAWAS REEXAMED BY A DR & WAS SUBSEQUENTLY TAKEN OFF OF WORK