"A study of the science of human movement with emphasis upon the structure and functioning of the movement mechanism, mechanical principles underlying human motion and an analysis of basic motor skills."
Follow the instructions below the link to sign up for 3D4 Medical
Complete Anatomy is a 3 dimensional anatomy platform with 12 layered systems and 1,500 clinical video animations. 3D4Medical has 17,000 interactive structures which include a dissectible human heart in 3D and interactive muscle motion. This database includes anatomical papers, classic textbooks, and scan data.
For further help with using 3D4 Medical, consult the tutorials at the following link.