Custom-made AFOs are indicated in the
presence of complex gait abnormalities
and for best control of triplanar foot
deformity with knee and hip involvement.
Custom AFOs should be designed by the
orthotist and take into account shortening
of gastrocnemius. The primary aim of an
AFO is to control the foot and ankle, but
a poorly designed AFO can affect other
joints such as the knee that could create
instability. This type of AFO can be customised
further with adjustments to the
trimlines, straps and footplate length.