Lessor Metatarsal ‘insufficiency’

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Lessor Metatarsal ‘insufficiency’

Occurs when there is a partial or total loss of weightbearing of one of the middle three metatarsals  transfer “metatarsalgia” to adjacent metatarsals.

Due to:
congenital shortness of metatarsal (most commonly the 4th)
iatrogenic (eg surgical metatarsal head resection)
neurological (eg convex forefoot associated with pes cavus)

Treatment:
Accommodative foot orthoses. Surgical.

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