Dorsal intercuneiform ligament
The dorsal intercuneiform ligament secures the three cuneiform bones. Dorsal means the top of the foot. Cuneiform bones fit between the tarsal navicular and the metatarsals, in the area known as the mid-foot. The first or medial cuneiform bone is on the inside, above the ball of the foot. The remaining cuneiform bones work their way across to the cuboid. Damage to the dorsal bones and ligaments in the mid-foot are uncommon. Only one percent of bone breaks are found in this area. Fractures may need surgical repair if the bones have separated. Injuries to the dorsal side of the foot need prompt attention to make sure they heal correctly. Strands of ligaments stretch across the top of the cuneiform bones and weave their way into the joints. These ligaments help secure the cuneonavicular joint, and they support the transverse arch between the cuneiform bones and metatarsals. They mesh with the cubonavicular and cuneonavicular joint ligaments that secure the tarsals. If the dorsal intercuneiform ligament fails to support the arch, feet may seem splayed.
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In Depth: Dorsal intercuneiform ligament