i have stage 2-3 post. tibal dysfunction. i am a maillady who hasa non functional tendon and my medial arch has collasped. what to expect after surgery? i would like to know for a person with my condition what is the best exercise to help me with recovery and will i every be able to resume my full duties as a letter carrier? also i am a slight bit over weight and woul like to lose a few pounds. what would be the best cardio exercise or exercise machine i could use with out hurting myself?