Reminds me of sketching & drawing classes. [Basic] human anatomy textbook reference and learning
Diagram of Human Muscles System Human Muscular System Diagram
TUTO - male pose by ~the-evil-legacy on deviantART Male reference masterpost!
drawing tutorial, how-to female pose IFX - Strike A Pose by ~WarrenLouw on deviantART
how to draw the male head drawing portrait 2014