"Anatomical Study, The Human Head, Surface Muscles with Proportions Indicated" /  Sepia / 12" x 9" /  Private Collection

artistic anatomy head with proportions indicated, anatomy, human muscles, anatomy head muscles with proportions, anatomy human head muscles, muscular structure head, anatomical drawing, human anatomy,

canon of proportion, human muscles, surface anatomy, anterior view, anatomical study, anatomical studies, the muscles, anatomy for artist's, art anatomy, drawings, anatomist, Michael Hensley