Back Arm Study
Frame of References:
Agitainment on Pinterest. Wonderful collection of Raphael drawings: https://www.pinterest.com/agitainment/raphael-drawings/
Aristides, Juliette. Drawings from one of the great figurative art teachers alive today. https://www.aristidesarts.com/drawings
Michelangelo. Google search results for his drawings. https://www.google.com/search?q=Michelangelo%20drawings&tbm=isch&tbs=isz:m&hl=en&sa=X&ved=0CAMQpwVqFwoTCIixmu7_ifUCFQAAAAAdAAAAABAC&biw=2114&bih=1032