British Orthopaedic Foot and Ankle Society
The society for Orthopaedic surgeons with an interest in surgery of the Foot and Ankle.  Contains information for patients about common foot & ankle conditions.

American Orthopaedic Foot & Ankle Society
The American Orthopaedic Foot & Ankle Society (AOFAS), is a medical specialty society comprised of more than 2,000 American and International Orthopaedic Surgeons. There is a very good patient information section on the website explaining the different conditions affecting the foot and ankle.

Ankle Arthritis TARVA is a randomised clinical trial comparing ankle replacement and ankle fusion in patients aged 50-85 with end stage ankle arthritis