Buttress (medial or lateral)
Alternative Name(s): outrigger, counter support, external arch support, flange.
Material (typically EVA) is fastened to the upper and sole on the inside or outside of the shoe creating a “wall” that supports the foot and widens the base of support to help control abnormal motion
Examples of Use
Useful with extreme hypermobility or deformity of the foot that cannot be controlled by an orthotic and shoe alone.
- Source: Pedorthic Association of Canada/Footwear Modifications