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There is an associated fracture of the medial malleolus or rupture of the deep deltoid ligament of the ankle. This type of injury can be difficult to detect. [1] [2] The Maisonneuve fracture is typically a result of excessive, external rotative force being applied to the deltoid and syndesmotic
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 deltoid ligament is composed of 4 fibers:
The calcaneofibular ligament (CFL), which connects the fibula to the calcaneus, or heel bone, also provides lateral support. The deltoid ligament provides support to the medial part of the ankle (closest to the midline). It prevents the foot from excessively everting, or turning outwards while also preventing the talus from externally rotating. [9]
medial malleolus may be fractured or deltoid ligament may be torn; variable stability; Type C. Fracture of the fibula proximal to the syndesmosis. Typical features: above the level of the ankle joint; tibiofibular syndesmosis disrupted with widening of the distal tibiofibular articulation; medial malleolus fracture or deltoid ligament injury ...
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 ...
English physician Percivall Pott experienced this injury in 1765 and described his clinical findings in a paper published in 1769. [5] [6] The term "Dupuytren fracture" refers to the same mechanism, [7] and it is named for Guillaume Dupuytren. [8] Pott did not describe disruption of the tibio-fibular ligament, whereas Dupuytren did. [citation ...
The summit of the medial malleolus is marked by a rough depression behind, for the attachment of the deltoid ligament. The major structure that passes anterior to the medial malleolus is the saphenous vein. Structures that pass behind medial malleolus deep to the flexor retinaculum: Tibialis posterior tendon; Flexor digitorum longus
Anterior tibiofibular ligament sprain; Lateral short oblique fibular fracture (anteroinferior to posterosuperior) Posterior tibiofibular ligament rupture or avulsion of posterior malleolus; Medial malleolus transverse fracture or disruption of deltoid ligament; Pronation-Abduction: Medial malleolus transverse fracture or disruption of deltoid ...