Foot reflexology or zone therapy is an alternative medicine that is based on reflexologist posit that the blockage of an energy field, or invisible life force (Qi) can prevent healing. Another tenet of reflexology is the belief that practioners can relieve stress and pain in other parts of the body. The physical act of applying thumb, finger and hand techniques performed without oils, lotions, or creams results in stress reductiuon causing physiological change in the body.  These hypotheses are rejected by the general medical community, who cite lack of scientific evidence.  Practices resembling refleology have existed in previous historical periods.  Although its origins are not well documented there are reliefs on the walls of Egyptian tombs that depict people practicing reflexology.  Somer areas may be tender or sore, and the reflexologist may spend extra time on these points.  
Reasons people get relexology:
.tension headaches
.digestive disorders
.hormonal imbalances
.sports injuries
.premenstral syndrome
.back pain