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.
CK-12 Foundation
Ck 12: Life Science: Keeping Bones and Joints Healthy
[Free Registration/Login may be required to access all resource tools.] You can help keep your bones and skeletal system healthy by eating well and getting enough exercise. Weight-bearing exercises help keep bones strong. Learn more...