A national support group from the USA, with lots of information and links to a medical database, personal web pages and lots more.
A UK support group for individuals or families with children affected by arthrogryposis.
A pretty informative web site, well-written. This group produces a newsletter that is available to members only; they also have a physical equipment library to help your child in mobility and play.
A support group for arthrogryposis multiplex congenita, this is a family-oriented group based out of the USA. They have a very good site with information about the disorder, scheduled online chat forums to discuss issues to do with arthrogryposis multiplex congenita (a free service) and hold annual conferences.