Rocker bottom foot

What it means

The presence of both a prominent heel and a convex contour of the sole.

Congenital vertical talus is characterized by pes valgus, a rigid flatfoot deformity (as opposed to a flexible calcaneovalgus foot) caused by a malpositioned navicular bone at the neck of the talus; the ankle is in severe equinus and the forefoot in dorsiflexion, rocker bottom-like, accompanied by contraction of the talonavicular, deltoid and calcaneal cuboidal ligaments. The foot examination usually reveals a rigid foot with a "reversed" arch, a convex plantar surface, and a deep crease on the lateral dorsal side of the foot. The ankle joint is plantarflexed, while the midfoot and forefoot are extended upward. Lateral foot radiographs are helpful in confirming the diagnosis.

Rare diseases that can present with this26

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Congenital vertical talus · Rocker-bottom feet · Rockerbottom feet