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.
congenital shortness of metatarsal (most commonly the 4th)
iatrogenic (eg surgical metatarsal head resection)
neurological (eg convex forefoot associated with pes cavus)
Accommodative foot orthoses. Surgical.