American Academy of Orthopaedic Surgeons - Home of AAOS. National membership organization with journal, patient information, members services, library and archives.

Orthoptic Association of Australia - National health professional association, orthoptics specialises in diagnosis and management of eye movement and visual dysfunction. Information on organisation, scientific conference and registration, scientific journal, membership, publications, annual reports.

Canadian Orthopaedic Foundation - Hip Hip Hooray research grant. National event with application and information.

International Society of Arthroscopy, Knee Surgery, and Orthopaedic Sports Medicine - ISAKOS. Membership, directories, meetings, publications, and awards.

American Orthopaedic Foot and Ankle Society - National organization with patient education, news, and links.

Società Italiana Chirurgia Ginocchio - English version of the Italian Society for Knee Surgery, with forum, surgical techniques, information about our society, othopaedic meetings and orthopaedic links.

American Association of Hip and Knee Surgeons - Society information, membership and research application, news, doctor locator, and links. Based in Rosemont, IL.

New Jersey Orthopaedic Society-Orthopaedic Surgeons of New Jersey - Membership information, mission, calendar of events, related links and contact information.

National Association of Orthopaedic Technologists - Information about the association, membership, recognized schools. Based in North Carolina.

Canadian Orthopaedic Association - Information site for COAnet, in English and French.

New York State Society of Orthopaedic Surgeons - Information on Federal and State legislators, orthopedic focus, meeting and membership information. (Clinton, NY)

Long Island Joint Replacement Association - An entity that provides education to physicians and patients about total joint arthroplasty. Operative treatment and the nonoperative alternatives are the focus. (Manhasset, NY)

Academic Association of Orthopaedic Administrators - AAOA provides forum for administration in orthopaedics. Information on bylaws, membership, events.

Orthopaedic Research Society - Organization with membership information, publications, and yearly national meetings.

Orthopaedic Trauma Association - Includes information about the OTA, its membership, meetings and courses, calendar, events, education, discussion forums and a newsletter.

AO North America: Health Care and Medical Education - Information about this organization, case studies, education, newsletter, technique guides and an extensive multmedia library [RealPlayer required to view].

Southern Orthopaedic Association - SOA provides forum for exchange of original, practical, medical and surgical information in orthopaedics. Affiliate of Southern Medical Association and operates exclusively for charitable, scientific and educational purposes, based in Alabama.

Canadian Orthopaedic Nurses Association - Information site with national board reports and continuing education.

Asia Pacific Orthopaedic Association - APOA. Association of Orthopaedic and Trauma surgeons from Asian Pacific region.

Virginia Orthopaedic Society - VOS. Orthopaedic care organization in Virginia.