Planovalgus deformity

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Flat feet with planovalgus deformity

Planovalgus deformity is a postural deformity, flat foot typology, very frequent in people with cerebral palsy and often due to muscle imbalance resulting in a predominance of the pronotory versus the supinatory forces.

Surgical treatment in the presence of planovalgus deformity can be of two types: [1]

  • Grice-Viladot technique, which is performed if the patient is over 8 years old.
  • Dual arthrodesis technique, which is performed if the patient is over 12 years old.

Both techniques provide for a thirty-day subsequent protection with a plastered knee-high without load.[citation needed]

Making medial proximal cut in a left foot with planovalgus deformity.


  • (in Italian) P.F. Costici, R. Russo: Il piede piatto neurogeno in Il piede piatto infantile ISBN 9788854867772
  • P.F. Costici, R. Russo, O. Palmacci: surgical techniques for pes planovalgus deformity in cerebral palsy in Journal of Orthopaedics and Traumatology


  1. A. Memeo, F. Donelli, Il piede piatto infantile, 2013, ISBN 9788854867772.