Chopart fracture dislocation


Chopart Joint: articulation between the hindfoot (calcaneus and talus) and the midfoot (navicular, cuboid and cuneiforms) comprising the calcaneocuboid and talocnavicular joints. These two joints lie in a plane perpendicular to the longitudinal arch of the foot, and act as a single unit with respect to the hindfoot.

Chopart ligament: bifurcate ligament comprising the calcaneonavicular and calcaneocuboid ligaments.

Chopart line: smooth apposition of the midtarsal joint lines of the talonavicular and calcaneocuboid joints seen on both AP and lateral foot X-Rays.

Chopart fracture: A dislocation of the foot through the talonavicular and the calcaneocuboid joints (Chopart joint) with associated fractures


1792 – Lafiteau provided the first description of Chopart’s method of partial amputation of the foot and Chopart’s joint in Volume IV of Fourcroy ‘La médecine éclairée par les sciences physiques‘ in 1792. The fracture-dislocation was attributed at a later date.

Associated Persons

Alternative names

  • Chopart ligament: Bifurcate ligament
  • Chopart joint: Mid-tarsal joint, transverse tarsal joint


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the names behind the name

Emergency physician MA (Oxon) MBChB (Edin) FACEM FFSEM with a passion for rugby; medical history; medical education; and informatics. Asynchronous learning #FOAMed evangelist. Co-founder and CTO of Life in the Fast lane | Eponyms | Books | vocortex |

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