But arthritis was detected in many joints, including 18 percent of the talonavicular ones.

Chopart's fracture-dislocation": Dislocation of the foot through the talonavicular and calcaneocuboid joints along with associated fractures. "

Nonetheless, after five games, he endured a sprain in his talonavicular joint in the right mid-foot causing him to be expected to miss several games.

Axial and coronal views are taken for proper visualization of the calcaneus, subtalar, calcaneocuboid and talonavicular joints.

Treatment comprises early reduction of the dislocation, and frequently involves open reduction internal fixation to restore and stabilise the talonavicular joint.

Along with the transverse tarsal joint (i.e. talonavicular and calcaneocuboid joint), the subtalar joint transforms tibial rotation into forefoot supination and pronation.

Pirani's work, in progress elegantly demonstrated with magnetic resonance imaging that the talonavicular and calcaneocuboid joints remodel and become congruent in the corrected position in 4-6 weeks of treatment.

In vitro talonavicular motion is 7 degrees flexion-extension and 17 degrees pronation-supination; while calcaneocuboid motion is 2 degrees flexion-extension and 7 degrees pronation-supination.

The talonavicular and calcaneocuboid joints (i.e. between the talus and navicular bones, and the calcaneus and cuboid bones) form the so-called transverse tarsal joint or Chopart's joint.

The dorsal talonavicular ligament is a broad, thin band, which connects the neck of the talus to the dorsal surface of the navicular bone; it is covered by the Extensor tendons.

The problem, said Dr. David C. Salonen, the Toronto radiologist who conducted the study, is that the position puts great pressure on the talonavicular joint, one of the three major joints to make up the ankle.

MIDTARSAL JOINTS (Chopart's joint) The midtarsal articulation consists of the calcaneocuboid joint and the talonavicular joint.

PRESENTATION: Most patient become symptomatic at the time when the coalition begins to ossify. 3-5 years of age for talonavicular coalitions (rare) 8-12 years for calcaneonavicular coalitions 12-16 years for talocalcaneal coalitions.