The Functional Anatomy of the Human Skeletal Muscles.
http://www.getbodysmart.com/ap/muscles/musclesystem.html
Joints Explorer (Royal Institution of Great Britain).
Interactive animation of the skeleton.
http://insideout.rigb.org/insideout/anatomy/casing_the_joint/joints_explorer.html
Muscles of the Body (Northern Kentucky University).
Photographic illustrations of the muscles of the thorax, abdomen, arm and leg in cadavers.
http://www.nku.edu/~dempseyd/muscle%20main%20page.html
A Guided Tour of the Visible Human (Visible Human Project).
http://www.madsci.org/~lynn/VH/
Atlas of Human Anatomy in Cross Section (Ronald Bergman). http://www.anatomyatlases.org/HumanAnatomy/CrossSectionAtlas.shtml
Illustrated Encyclopedia of Human Anatomic Variation (Ronald Bergman). http://www.anatomyatlases.org/AnatomicVariants/AnatomyHP.shtml