The width of the shoulders is 1/4 of the whole. From the joint of
the shoulder to the hand is 1/3, from the parting of the lips to
below the shoulder-blade is one foot.

The greatest thickness of a man from the breast to the spine is one
8th of his height and is equal to the space between the bottom of
the chin and the top of the head.

The greatest width is at the shoulders and goes 4.

The torso from the front and back.