Prefabricated Orthotics.
FittaFeet Modification.
Medafeet Unified Modification.
Heating Prefabricated Modifications.
Grinding MedaFeet MOSI
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Without modification the 3 posting strips apply a large supinatory moment to the rearfoot. If necessary,  the appliance can be issued like this.
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Or using a grinder a layer of posting can be reduced, using the graded structure as a guidline…..
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…to reduce the amount of supinatory moments supplied by the MOSI post.