Transverse Tarsal Joint (Chopart's Joint): Difference between revisions

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The transverse tarsal joint or midtarsal joint or Chopart's joint is formed by the articulation of the calcaneus with the cuboid (the calcaneocuboid joint), and the articulation of the talus with the navicular (the talocalcaneonavicular joint). This pair of joints separates the midfoot from the rearfoot (i.e. calcaneus and talus) by allowing the midfoot to move independently of the rearfoot.

The joint has the ability to perform the most pure form of pronation and supination. It allows the midfoot to conform to a variety of different positions depending on the terrain.

Pronation: nearly equal elements of eversion, abduction, and dorsiflexion

Supination: nearly equal elements of inversion, adduction, and plantarflexion

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-The '''transverse tarsal joint''' or '''midtarsal joint''' or '''Chopart's joint''' is formed by the articulation of the calcaneus with the cuboid (the calcaneocuboid joint), and the articulation of the talus with the navicular (the talocalcaneonavicular joint).
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+The '''transverse tarsal joint''' or '''midtarsal joint''' or '''Chopart's joint''' is formed by the articulation of the calcaneus with the cuboid (the calcaneocuboid joint), and the articulation of the talus with the navicular (the talocalcaneonavicular joint). This pair of joints separates the midfoot from the rearfoot (i.e. calcaneus and talus) by allowing the midfoot to move independently of the rearfoot.
+The joint has the ability to perform the most pure form of pronation and supination. It allows the midfoot to conform to a variety of different positions depending on the terrain.
+Pronation: nearly equal elements of eversion, abduction, and dorsiflexion
+Supination: nearly equal elements of inversion, adduction, and plantarflexion
-The transverse tarsal joint is considered to be part of the same functional unit as the [[Talocalcaneal Joint (Subtalar Joint)|subtalar joint]] because they share a common axis of rotation with contribution to inversion and eversion of the foot.
 [[Category:Foot and Ankle Anatomy]]