The main objective of custom-made orthoses is to align the axis of the foot in order to optimize the proper articular and muscular function in static, but primarly during gait.
Functional orthoses are generally made out of rigid or semi-rigid materials to maximize biomechanical control.
Combining the type of cut with the choice of materials, functional orthotics may have various functions. They can be either short or long depending on the correction prescribed by the podiatrist.