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The deltoid ligament (or medial ligament of talocrural joint) is a strong, flat, triangular band, attached, above, to the apex and anterior and posterior borders of the medial malleolus. The deltoid ligament supports the ankle joint and also resists excessive eversion of the foot. [ 1 ]
The ankle joint is bound by the strong deltoid ligament and three lateral ligaments: the anterior talofibular ligament, the posterior talofibular ligament, and the calcaneofibular ligament. The deltoid ligament supports the medial side of the joint, and is attached at the medial malleolus of the tibia and connect in four places to the talar ...
The ligament is strengthened medially by blending with the deltoid ligament of the ankle joint, and is supported inferiorly by the tendon of the tibialis posterior, which is spread out in a fanshaped insertion and prevents undue tension of the ligament or such an amount of stretching as would permanently elongate it. [1]
Forceful, external rotation of the ankle joint is the main cause of a Maisonneuve fracture. [4] [7] Engaging in high-intensity sports or falling over can increase the risk of tearing the deltoid ligament or cause an avulsion fracture of the medial malleolus from external rotation of the foot.
However, because the trochlea is wider in front than at the back (approximately 5–6 mm) the stability in the joint vary with the position of the foot: with the foot dorsiflexed (toes pulled upward) the ligaments of the joint are kept stretched, which guarantees the stability of the joint; but with the foot plantarflexed (as when standing on ...
This happens when, instead of the ankle rotating medially resulting in an inversion injury (the foot rolling too much to the inside), the ankle rotates laterally resulting in an eversion injury (when the foot rolls too much to the outside). When this occurs, the medial, or deltoid, ligament is strained.
The plantar calcaneonavicular ligamentous complex is a broad and thick band with three constituent ligaments. These connect the anterior margin of the sustentaculum tali of the calcaneus to the plantar surface of the navicular bone. [1] [2] Its individual components are the: superomedial calcaneonavicular ligament. [2] medioplantar oblique ...
Collateral ligaments of interphalangeal joints of foot; Details; From: ... The collateral ligaments of the interphalangeal joints of the foot are fibrous bands that ...