WebMD
Web Md: Rotator Cuff Disorders
This site from WebMD Health provides a good deal of information on rotator cuff disorders. Includes several pictures along with links to additional information. Also, facts are given on causes, symptoms, risks, treatment options,...
Mayo Clinic
Mayo Clinic: Rotator Cuff Injury
This site from the MayoClinic.com provides detailed information about rotator cuff injuries. The article includes an overview, signs and symptoms, causes, screening, diagnosis, treatment and self-care information.
Other
Southern California Orthopedic Institute: Rotator Cuff
This resource provides information about rotator cuff problems and impingement frequently asked questions.