Do you have flat feet ? Hollow feet ? How can deviations of the toe be treated ? Sprains ? How can you look after the nails and the skin ? How should you treat athletes foot ? What to make of reflexology ? Why are the feet of children, athletes and senior citizens so fragile ? How is the marvel of bipedalism possible ? What is the position of the foot in our culture ? Dr Jean Bénichou and Professor Marc Libotte are orthopaedic surgeons, specialising in foot surgery.