3999129A Treatise on Painting — Of the Joint of the FootJohn Francis RigaudLeonardo da Vinci

Chap. XXXVII.Of the Joint of the Foot.

The increase and diminution in the joint of the foot is produced on that side where the tendons are seen, as D E F, Plate I. which increases when the angle is acute, and diminishes when it becomes obtuse. It must be understood of the joint in the front part of the foot A B C.