Central nervous system abnormalities are recognized complications of a
norexia nervosa. However, peripheral nerve disorders are less well doc
umented in this condition. We report 2 cases of peroneal nerve palsy i
n anorectic patients who had a tendency to spend long periods of time
sitting cross-legged. The respective roles of mechanical compression a
nd malnutrition in the pathogenesis of peroneal nerve palsy in anorexi
a nervosa are discussed.