Fig. 3

 a and b. Foot length drawing and measurement. a: The child sits with the ankles, knees, and hips in 90° of flexion. A line is drawn around each foot with the pen kept vertical. b: Two parallel lines are drawn. The proximal line is drawn perpendicular to an imaginary line that passes through the middle of the hindfoot. The distal line is parallel to the proximal line. The distance between these lines is termed foot length