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What is Rocker Bottom Feet ?

This is a severe type of flat foot with a protuberant heel.
It is characterised by a prominent calcaneus/heel and a convex rounded sole.
It has Persian slipper appearance
  • Calcaneus in fixed equinus
  • Achilles tendon is very tight
  • The hindfoot is in valgus
  • The head of the talus is found medially in the sole
  • The forefoot is abducted and dorsiflexed.
It is also known as a congenital vertical talus
What is the pathology of Rocker bottom feet?
It occur from a dorsal and lateral dislocation of the talonavicular joint.
Seen in the following conditions
Aneuploidic syndromic
  • Trisomy 13- Patau syndrome
  • Trisomy 18 also called Edward's syndrome, which may be associated with PDA
  • 18q deletion syndrome
  • Spina bifida
  • Arthrogryposis
What are the differential diagnosis ?
In the antenatal/neonatal period clubfoot is an important differential diagnosis
In the adult period differentail diagnosis considered is acquired rocker bottom deformity occurring secondary to:
Underlying neuromuscular disorder
diabetic foot (Charcot joint)