The intercuneiform joints are small synovial plane joints between the medial-intermediate and intermediate-lateral cuneiforms. They share a common joint cavity with the cuneonavicular joint and are bound by dorsal, plantar, and interosseous intercuneiform ligaments. These joints allow minimal gliding motion and collectively contribute to the rigidity of the medial midfoot.
The intercuneiform joints are stabilised primarily by the interosseous intercuneiform ligaments, which must be disrupted for complete Lisfranc dislocation to occur. Isolated intercuneiform injury is rare. The joint cavities communicate with the cuneonavicular and cuneocuboid joints, making midfoot arthroscopy and injection techniques applicable across this complex. Post-traumatic arthrosis is treated with targeted midfoot arthrodesis.
Disruption of the intercuneiform and tarsometatarsal ligaments during high-energy or low-energy (Lisfranc) injury allows lateral displacement of the lesser rays, requiring surgical reduction and fixation to restore midfoot stability.
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