mydarkenedeyes: Leonardo da Vinci. 1. Studies of the arm showing the movements made by the biceps (c. 1510)2. Studies of the muscles of the neck, shoulder, chest and arm (c. 1509-10)3. View of a skull (c. 1489)

mydarkenedeyes: Leonardo da Vinci. 1. Studies of the arm showing the movements made by the biceps (c. 1510)2. Studies of the muscles of the neck, shoulder, chest and arm (c. 1509-10)3. View of a skull (c. 1489)

mydarkenedeyes: Leonardo da Vinci. 1. Studies of the arm showing the movements