Longitudinal arch is an engineering myth - not possible.

Preoccupation with height of arch – (navicular drift/drop)

Changes in arch height in different foot types

Arch supports may have worked

Engineering analogy

Tripod model – weight is primarily borne by metatarsal heads 1 & 5 and the calcaneus .

A collapse of the anterior metatarsal arch has been considered as being related to pathology.

Anterior metatarsal arch in which metatarsal heads 2 to 4 are thought to be elevated has been clearly shown not to exist, especially with the use of modern plantar pressure measuring

Related Topics:
Arches | Windlass Mechanism | Overpronation and Muscle Strength | Autosupport Mechanisms in the Foot | Overpronation and Muscle Strength | Foot strengthening exercises | Foot Core

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