Compliancy in foot orthoses query

As the ‘MLA’ section of the foot orthoses deforms under load does that entail lengthening of the anterior medial ‘corner’ of the foot orthoses and would that possibly irritate the 1st MPJ (or 2nd MPJ in an orthosis with a 1st ray cutout).

As the ‘MLA’ section of the foot orthoses deforms under load does that entail lengthening of the anterior medial ‘corner’ of the foot orthoses and would that possibly irritate the 1st MPJ (or 2nd MPJ in an orthosis with a 1st ray cutout).

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Compliancy in foot orthoses query