Four Books on Human Proportion

Here I alter the two previously made images as follows, and yet I let several parts remain as they were before, which I also name in the description; and I describe the figure in its entirety. First, the man according to his length In this context, "length" refers to vertical height and the longitudinal measurements of the body..

From the sole upward to where the man is split original: "gespalten", referring to the crotch or inseam, let it be a 2nd part Dürer uses "parts" as fractions of the total height; a "2nd part" means 1/2 of the total height..

From the end of the chin upward to the end of the forehead is a 10th part.
From this I make three equal parts, as mentioned before Dürer typically divided the face into three equal sections: the forehead, the nose, and the area from the nose to the chin..

From the end of the buttocks downward a 40th part; there the leg has a particular indentation at the back.
But from the end of the buttocks downward a 14th part; there I place the inner thigh curve original: "wünen", referring to the muscular fullness or bulge of the inner upper leg.

From the sole upward, I measure to the height of the gluteal fold original: "ritz" a 22nd part.
But from the sole upward a 32nd part; there I end the ankle bone original: "knorn" at the bottom of the shinbone.
From the end of the ankle bone to the middle of the knee, let it be a 4th part.
From the knee upward a 20th part; let that be the outer side above the knee.
But from the knee upward a 30th part; let that be the inner side above the knee.
From the middle of the knee downward an 80th part; let that be the outer side below the knee.
But from the middle of the knee downward a 40th part; let that be the inner side below the knee.
From the middle of the knee to the end of the outer calf original: "waden" I set a 10th part.
But to the end of the inner calf a 9th part.
And the foot I make one 6th part long.

Afterward, I determine the length of the arm.
From the height of the pit of the throat, under which the shoulder joints stand, to the elbow, a 10th part and an 11th part.
From the elbow to the joint of the hand the wrist, a 7th part.
From there to the end of the fingers, a 10th part.
Afterward, I change the thickness widths and depths of the man from the side.

Across the forehead, a 10th part.
Across the eyebrows, a 17th part and an 18th part.
Across the nose and head, two 19th parts.
Across the chin and neck, a 10th part.
But the neck below the chin, a 17th part.
At the shoulder muscle, a 15th part.
Across the pit of the throat, a 12th part.
Across the breast, an 8th part.
Across the nipples, also two 15th parts.
At the armpits, two 15th parts.
Below the breasts, a 15th part and a 16th part.
In the flanks, two 19th parts.
Across the navel, a 9th part.
At the hip joint, a 16th part and a 17th part.
At the end of the hip, two 15th parts.
But the thickness of the leg below the buttocks, a 19th part and a 20th part.
Down by the inner thigh curve, a 10th part.
On the outside above the knee, two 27th parts.
On the inside above the knee, a 14th part.
In the middle of the knee, a 16th part.
On the outside below the knee, a 17th part.
On the inside below the knee, a 16th part.
In the middle of the calf, a 14th part.
At the end of the outer calf, a 15th part.
At the end of the inner calf, a 16th part.