The Science and Drawing of Human Anatomy (wow, epic!):

everything you need to know about human anatomy, expressive behaviorism (body~facial language), and how to draw all of it!

http://design.tutsplus.com/series/human ... s--cms-724

credit to the 'tuts+' site ( http://tutsplus.com/ ) and especially Joumana Medlej ( http://tutsplus.com/authors/joumana-medlej )