[The foot: an architectural marvel]

The Foot, organ of the erect position and of walking is a unique example of architectural wonder, of which the slightest abnormality, static as well as dynamic may be the cause of a major dysfunction. Biomechanically, it may be summarized in two triangles: a posterior triangle, static, ensuring the erect position, and an anterior triangle, dynamic or propulsive represented by the phalangeal triangle. These two triangles are connected by a metatarso-phalangeal hinge, the harmonious curvature of which ensures the orientation and the adaptation of the foot in all directions regardless of the condition of the ground.