American Academy of Neurological and Orthopedic Surgeons scientific and educational association of orthopedists and neurosurgeons with the goal of improving the quality of care. http://www.aanos.org/

American Academy of Orthopaedic Surgeons provides education programs for orthopaedic surgeons, allied health professionals, and the public. http://www.aaos.org/

American Orthopaedic Foot and Ankle Society medical doctors who specialize in foot and ankle care. http://www.aofas.org/

AO North America (AONA) nonprofit group dedicated to the advancement of patient care in orthopaedic, maxillofacial, spinal, and veterinary surgery. Features an online multimedia library. http://www.aona.com/

Clinical Orthopaedic Society (COS) society for the study of clinical orthopaedic care. http://www.cosociety.org/

International Spinal Development & Research Foundation nonprofit foundation; includes several accepted abstracts and comments on ongoing research; for educational purposes only, NOT a patient help site. http://www.spine-research.org/

Italian Society of Road Traumatology Fosters, in Italy and abroad, the study of medical sciences as well as its interdisciplinary and correlated branches in the field of road traffic and related issues. http://www.socitras.org/

Orthopaedic Research and Education Foundation nonprofit fundraising and grantmaking foundation. http://www.oref.org/

Orthopaedic Research Society promotes, supports, develops and encourages research in orthopaedic surgery and musculoskeletal diseases and related disciplines. http://www.ors.org/

Texas Orthopaedic Association physician members strive to assure excellence in musculoskeletal health care. http://www.toa.org/

Western Orthopaedic Association provides scientific and social interchange for othopaedic surgeons in 14 western states.. http://www.woa-assn.org/