The dorsal calcaneocuboid ligament is a broad, flat band crossing the dorsolateral surface of the calcaneocuboid joint, the lateral half of the Chopart (midtarsal) joint, from the dorsal calcaneus to the dorsal cuboid. It reinforces the joint capsule and lies just lateral to the calcaneocuboid limb of the bifurcate ligament. Together with the long and short plantar ligaments it helps maintain lateral column integrity.
| Origin | Anterior calcaneal surface dorsal aspect |
|---|---|
| Insertion | Dorsal cuboid proximal surface |
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Reinforces the dorsal aspect of the calcaneocuboid joint.
The dorsal calcaneocuboid ligament can be torn when an inversion sprain extends into the Chopart joint, giving tenderness at the calcaneocuboid joint line, distal to the usual ankle sprain site; MRI may show ligament signal change and bone bruising. Anterior process of calcaneus avulsion by the nearby bifurcate ligament is an important differential. Calcaneocuboid arthritis from degeneration or old injury produces lateral midfoot pain reproduced by joint palpation and passive midfoot movement; intra-articular injection confirms the source, and arthrodesis gives reliable relief in refractory cases.
Lateral column joint degeneration producing lateral midfoot pain managed with injection and calcaneocuboid arthrodesis for refractory cases.
Inversion and plantarflexion injury tearing the dorsal calcaneocuboid ligament, causing dorsolateral midfoot pain distal to the lateral ankle ligaments.
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