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Cuboid syndrome or cuboid subluxation describes a condition that results from subtle injury to the calcaneocuboid joint, [1] and ligaments in the vicinity of the cuboid bone, one of seven tarsal bones of the human foot. This condition often manifests in the form of lateral (little toe side) foot pain and sometimes general foot weakness.
The articular surfaces of the two bones are relatively flat with some irregular undulations, which seem to suggest movement limited to a single rotation and some translation. However, the cuboid rotates as much as 25° about an oblique axis during inversion-eversion in a movement that could be called involution. [3]
The foot is usually dislocated medially (80%) and superiorly, which occurs when the foot is plantar flexed and inverted. Lateral displacement occurs during eversion injuries. Associated fractures of calcaneus, cuboid and navicular are frequent. Open fractures occur in a small percentage.
The cuboideonavicular joint is a joint (articulation) in the foot formed between the navicular bone and cuboid bone. The navicular bone is connected with the cuboid bone by the dorsal, plantar, and interosseous cuboideonavicular ligaments. It is a syndesmosis type fibrous joint. [1]
The tarsus articulates with the bones of the metatarsus, which in turn articulate with the proximal phalanges of the toes. The joint between the tibia and fibula above and the tarsus below is referred to as the ankle joint proper. In humans the largest bone in the tarsus is the calcaneus, which is the weight-bearing bone within the heel of the ...
Only one muscle is attached to the cuboid bone; the tibialis posterior.The tibialis posterior inserts to the under surface of the cuboid bone. [2] While the flexor hallucis brevis arises, by a pointed tendinous process, from the medial part of the under surface of the cuboid bone, from the contiguous portion of the lateral cuneiform bone, and from the prolongation of the tendon of the tibialis ...
The plantar calcaneocuboid ligament lies nearer to the bones than the long plantar ligament, from which it is separated by a little areolar tissue.. It is a short but wide band of great strength, and extends from the anterior tubercle of calcaneus and the depression in front of it, on the forepart of the plantar surface of the calcaneus, to the plantar surface of the cuboid posterior to the ...
While these medial and lateral arches may be readily demonstrated as the component antero-posterior arches of the foot, the fundamental longitudinal arch is contributed to by both, and consists of the calcaneus, cuboid, third cuneiform, and third metatarsal: all the other bones of the foot may be removed without destroying this arch. [1]