iI THINK I MAY HAVE FIBROMYALGIA OR RA hAVE TDRROUBLE WALKING . HAD ULTRA SOUNF ON FOOT ,DIAGNOSIS WAS MORTONS SYNDROM, LEFTFOOT ALSO IS DIFFICULT TO WALK ON AT TIMES,LEFT NEE FEELS LIKE IT NEEDS HELP DOCTOR ALSO SAID ROTATOR CUP FULL OF ARTHRITIS PAINFUL TO LIFT ARMS UP