The American Occupational Therapy Association (AOTA) is the nationally recognized professional association of approximately 35,000 occupational therapists, occupational therapy assistants, and students of occupational therapy. AOTA's mission is to advance the quality, availability, use, and support of occupational therapy through standard-setting, advocacy, education, and research on behalf of its members and the public.

The Arthritis Foundation provides grants to help find a cure, prevention methods, and better treatment options for arthritis. It also provides a large number of community-based services nationwide to make living with arthritis easier, including self-help courses; water- and land-based exercise classes; support groups; home study groups; instructional videotapes; public forums; free educational brochures and booklets; the national, bimonthly consumer magazine Arthritis Today; and continuing education courses and publications for health professionals.

The National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) is a governmental institute that serves the public and health professionals by providing information, locating other information sources, and participating in a national federal database of health information. NIAMS supports research into the causes, treatment, and prevention of arthritis and musculoskeletal and skin diseases and supports the training of scientists to carry out this research.

The NIAMS website provides health information referrals to the NIAMS Clearinghouse, which has information packages about diseases.