| Fibular retinacula | |
|---|---|
 The mucous sheaths of the tendons around theankle, lateral aspect. | |
| Details | |
| Identifiers | |
| Latin | retinacula fibulare |
| Anatomical terminology | |
Thefibular retinacula (also known asperoneal retinacula) are fibrous retaining bands that bind down the tendons of thefibularis longus andfibularis brevis muscles as they run across the side of theankle. (Retinaculum is Latin for "retainer.")
These bands consist of the superior fibular retinaculum and the inferior fibular retinaculum. The superior fibers are attached above to thelateral malleolus and below to the lateral surface of thecalcaneus. The inferior fibers are continuous in front with those of theinferior extensor retinaculum of the foot; behind they are attached to the lateral surface of the calcaneus; some of the fibers are fixed to thecalcaneal tubercle, forming aseptum between the tendons of the fibularis longus and fibularis brevis.
This article incorporates text in thepublic domain frompage 489 of the 20th edition ofGray's Anatomy(1918)
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