Optimization of rocker sole footwear
1a
Rocker Angle
Longitudinal Axis
of Shoe
Apex Position
Apex Angle
Rocker Axis
1b
Figure 1a: Schematic to illustrate rocker angle (RA), apex position and apex angle. Apex position
was varied by moving point A proximally or distally and a corresponding adjustment made to the
position of point B to ensure a consistent rocker angle. b: Example rocker shoe with RA = 20°.
38
Pedorthic Footcare Association | www.pedorthics.org