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An accessory navicular bone is an accessory bone of the foot that occasionally develops abnormally in front of the ankle towards the inside of the foot. This bone may be present in approximately 2-21% of the general population and is usually asymptomatic. [1] [2] [3] When it is symptomatic, surgery may be necessary.
This bone may be present in approximately 2–21% of the general population and is usually asymptomatic. [18] [19] [20] When it is symptomatic, surgery may be necessary. The Geist classification divides the accessory navicular bones into three types. [20] Type 1: An os tibiale externum is a 2–3 mm sesamoid bone in the distal posterior ...
Katie also suffers from an accessory navicular bone in her left foot, a condition that might go unnoticed in many people, but for an athlete can cause pain and injury.
In pes planus, the head of the talus bone is displaced medially and distal from the navicular bone. As a result, the plantar calcaneonavicular ligament (spring ligament) and the tendon of the tibialis posterior muscle are stretched to the extent that the individual with pes planus loses the medial longitudinal arch (MLA). If the MLA is absent ...
The navicular, deriving its name from its boat–like shape, is a small but critical bone. It connects the ankle with the bones of the foot. It connects the ankle with the bones of the foot. It articulates with five tarsal bones ( talus , cuboid , and three cuneiform bones ) forming slightly mobile syndesmotic ( fibrous ) joints and has a ...
The dorsal ligaments are three small bundles, one attached to each of the cuneiform bones. The bundle connecting the navicular with the medial cuneiform bone is continuous around the medial side of the articulation with the plantar ligament which unites these two bones.
The height of a person's arch is determined by the height of the navicular bone. Collapse of the longitudinal arches results in what is known as flat feet. [5] A person with a low longitudinal arch, or flat feet will likely stand and walk with their feet in a pronated position, where the foot everts or rolls inward.
The navicular bone in the horse is supported by the distal sesamoidean impar ligament and two collateral sesamoidean ligaments. The navicular bursa is located between the flexor surface of the navicular bone and the deep digital flexor tendon, which runs between the bursa and the distal phalanx. [8] The central tarsal bone in the hock of the ...