This is a current discussion on the Podiatry forum at https://podiatryarena.com/index.php?threads/a-new-classification-of-foot-structures-based-on-foot-embryogenesis.111964/

Basically I have proposed a new 1-4 classification of inherited foot structures based on foot embryogenesis.

I solicit your comments regarding the plausibility of this classification based on our current knowledge of human embryology.

  • The ontogenetic (torsional) unwinding (saggital plane) of the cuboid determines the adult position of the lateral column of the foot.
  • The ontogenetic unwinding of the talus determines the adult position of the medial column of the foot.

Clubfoot Deformity: the ontogenetic unwinding of the entire lateral column of the foot ends prematurely.

PreClinical Clubfoot Deformity: The cuboid completes its ontogenetic development but the calcaneus and talus remain in supinatus

Primus Metatarsus Supinatus foot structure: The calcaneus completes its' ontogenetic development, but the talus remains in supinatus (and along with it, the entire medial column of the foot).

Plantargrade foot: The talus completes its' ontogenetic development

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