Joint Pain Info
Includes definitions, illustrations and resources to explain hip, shoulder, knee and back pain.
http://www.jointpaininfo.com/
Musculoskeletal Disorders
Information on prevention of occupational injuries and pain.
http://www.hse.gov.uk/msd/
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
One of the research institutes of the National Institutes of Health (NIH). Site includes publications, information about grants and clinical trials, meeting notices, and general information about the Institute and its work.
http://www.nih.gov/niams/