Studies_of_the_Arm_showing_the_Movements_made_by_the_BicepsUpdated Full size 426 × 621 pixels Leonardo da Vinci, Public domain, via Wikimedia Commons Previous image Next image Leave a ReplyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Δ
