Mayo Clinic
Mayo Clinic: Fractures
This site from the MayoClinic.com provides great information on fractures, or broken bones. The information is very brief with links to shock, CPR and severe bleeding. Also lets you know what to do if there is an injury or a trauma.
Curated OER
Kids Health: Strains and Sprains Are a Pain
In addition to describing how one might get a strain or sprain, this article offers well-organized, clear advice for those caring for their sprained or strained muscles. Links to related information included.