This talk will focus on MR imaging of peripheral nerve of the knee, ankle and foot. The talk will be subdivided into two parts. A. A discussion of general MRI features of entrapment neuropathies in the lower extremity. The listener will be provided with distinctive direct and indirect features of neuropathy. B. Focused discussion of specific nerves commonly susceptible to neuropathy, with a brief initial review of normal anatomy followed by MRI examples of common neuropathies.