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The inferior extensor retinaculum of the foot (cruciate crural ligament, lower part of anterior annular ligament) is a Y-shaped band placed in front of the ankle-joint, the stem of the Y being attached laterally to the upper surface of the calcaneus, in front of the depression for the interosseous talocalcaneal ligament; it is directed medialward as a double layer, one lamina passing in front ...
The superior extensor retinaculum binds down the tendons of extensor digitorum longus, extensor hallucis longus, peroneus tertius, and tibialis anterior as they descend on the front of the tibia and fibula; under it are found also the anterior tibial vessels and deep peroneal nerve. [1]
The term retinaculum is Neo-Latin, [2] derived from the Latin verb retinere (to retain). Specific retinacula include: In the wrist: Flexor retinaculum of the hand; Extensor retinaculum of the hand; In the ankle: Flexor retinaculum of foot; Superior extensor retinaculum of foot; Inferior extensor retinaculum of foot; Superior fibular retinaculum
The deep peroneal nerve passes under the retinaculum while the superficial peroneal nerve is outside of it. The inferior extensor retinaculum of foot is a Y-shaped structure. Its lateral attachment is on the calcaneus, and the band travels towards the anterior tibia where it is attached and blends with the superior extensor retinaculum.
Extensor retinaculum of foot may refer to Inferior extensor retinaculum of foot; Superior extensor retinaculum of foot This page was last edited on 28 ...
The muscle ends as a tendon of insertion. The tendon passes through a distinct compartment in the inferior extensor retinaculum of foot. It crosses anterior tibial vessels lateromedially near the bend of the ankle. [citation needed] In the foot, its tendon is situated at along the medial side of the dorsum of the foot. [1]
Extensor retinaculum may refer to: Extensor retinaculum of the hand; ... Inferior extensor retinaculum of foot This page was last edited on 28 ...
The inferior fibers are continuous in front with those of the inferior extensor retinaculum of the foot; behind they are attached to the lateral surface of the calcaneus; some of the fibers are fixed to the calcaneal tubercle, forming a septum between the tendons of the fibularis longus and fibularis brevis.