Lateral plantar overloading

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Lateral plantar overloading

Sometimes called ‘lateral dumping’ – due to ‘dumping’ of weight laterally. Pain over lateral metatarsal heads from excessive pressure – may have hyperkeratosis. May have restricted fifth ray dorsiflexion. Could be due to a failure of weight flow through the foot to move from lateral to medial during propulsion  eg structural or functional hallux limitus – also uncompensated forefoot or rearfoot varus.

May be presenting feature in a progressive pes cavus as a result of a neurological process.
May also be due to plantarflexed lateral metatarsals (‘metatarsal equinus’).

Treatment:
directed at aetiology
orthoses to:
accommodate painful area
restore the weight transfer from lateral to medial

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