20 Shoe Design Principles for People with Second Degree Deformity 

A second degree deformity is one where a patient cannot correct the deformity if asked to do so. They may not have the muscle strength, or the bones may have begun to set in that position. However if you passively manipulate the foot you can move it to the correct position.
Bill Bird discusses how to use the Ground Reaction Force to correct the position. Bespoke orthopedic has a much bigger part to play than with 1st Degree Deformity.