The cuneometatarsal ligaments collectively stabilise the three medial cuneiform-metatarsal joints (first through third TMT joints), forming the medial Lisfranc complex. They include dorsal, plantar, and interosseous components at each joint.
Provide the complete ligamentous stability of the medial TMT complex, work with the Lisfranc ligament proper as the central stabiliser, and resist both dorsal and plantar displacement of the medial metatarsals.
Comprehensive Lisfranc injury assessment must identify all cuneometatarsal ligament injuries — selective involvement of one or more cuneometatarsal joints determines whether partial or complete Lisfranc complex disruption is present.
MRI and CT assessment of all cuneometatarsal ligament components guides surgical planning for Lisfranc ORIF — complete complex disruption requires comprehensive fixation of all involved joints.
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