Anatomy of the Human Body-Henry Gray-- The Bartleby.com edition of Gray’s Anatomy of the Human Body features 1,247 vibrant engravings—many in color—from the classic 1918 publication, as well as a subject index with 13,000 entries ranging from the Antrum of Highmore to the Zonule of Zinn.
Lumen's Master Muscle List-- This site indexes all human muscles, their origin, and insertion.
The Visible Human Project-- The Visible Human Project® is the creation of complete, anatomically detailed, three-dimensional representations of the normal male and female human bodies. Acquisition of transverse CT, MR and cryosection images of representative male and female cadavers has been completed (from the U.S. National Library of Medicine).
PhysicalTherapist.com: a world of physical therapy -- An informational collaborative web site designed by physical therapy professionals for the physical therapy community. This site includes a discussion forum, articles, as well as content on education and job opportunities.
Health on the Net -- access varied, authoritative health and medical topics from reliable medical Web sites. Created in 1995, the Health on the Net Foundation is a non-profit, non-governmental organization, focusing on "...the essential question of the provision of health information to citizens, information that respects ethical standards. To cope with the unprecedented volume of healthcare information available on the Net, the HONcode of conduct offers a multi-stakeholder consensus on standards to protect citizens from misleading health information."
MedlinePlus -- a service provided by the U.S. National Library of Medicine, MedlinePlus provides information "... about diseases, conditions, and wellness issues in language you can understand. MedlinePlus offers reliable, up-to-date health information, anytime, anywhere, for free. You can use MedlinePlus to learn about the latest treatments, look up information on a drug or supplement, find out the meanings of words, or view medical videos or illustrations. You can also get links to the latest medical research on your topic or find out about clinical trials on a disease or condition." Useful for patient education.