Fig. 2

Diagrams from an exemplary foot model. Diagrams from an exemplary foot model of the absolute inclination (top row) and relative orientation (bottom), in the lateral (left column) and transverse (central) projections, and in 3D (right), according to the foot anatomical reference frame (see also Fig. 1d). Longitudinal axes of a few exemplary bones and their inclination and orientation angles are depicted