The text explains how to construct drawings of the human body, first from the front, then from the back. It provides instructions using labeled sections: shoulders, ribs, thighs, and hips, to make it easier for students to understand anatomy. The same proportions and methods apply to both the front and back, with notes on how limbs like the arm should appear slightly bent inward.
The First Part
XXVI.
After showing the initial instructions for drawing the human body from the front, I found it equally necessary to demonstrate it from the back as well. To make it easier to understand, I have represented the anatomy in two ways: A, B, flayed, so that the young can begin to understand how the muscles connect. This makes drawing internal figures less difficult. I have indicated my particular methods using letters: the members are labeled as C (shoulders), D (ribs), E (thigh), F (hips). Having drafted the body flayed, it is then easier to proceed further. For understanding the back, the same method applies as to the front: their proportions are similar, like regarding the breasts and shoulders. For the trunk, it is the same fashion, and all pieces relate similarly. G is an arm that appears slightly bent inward. This will suffice for now, as I will treat this more fully in my second part.