Study this mojette's stuff, he has a clear understanding of anatomy. http://th04.deviantart.net/fs71/PRE/f/2010/272/f/0/anatomy_study_update_by_mojette-d2zrjs2.jpg http://fc09.deviantart.net/fs13/f/2007/100/4/7/Anatomy_study_ZB3_by_mojette.jpg (NSFW)