extensor retinaculum


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Related to extensor retinaculum: Extensor retinaculum of the hand

ex·ten·sor ret·i·nac·u·lum

[TA]
a strong fibrous band formed as a thickening of the antebrachial deep fascia, stretching obliquely across the back of the wrist, attaching deeply to ridges on the dorsal aspect of the radius, triquetral, and pisiform bones, and binding down the extensor tendons of the fingers and thumb.

ex·ten·sor ret·i·nac·u·lum

(eks-ten'sŏr ret'i-nak'yū-lŭm) [TA]
A strong fibrous band formed as a thickening of the antebrachial deep fascia, stretching obliquely across the back of the wrist, attaching deeply to ridges on the dorsal aspect of the radius, triquetral and pisiform bones, binding down the extensor tendons of the fingers and thumb.
References in periodicals archive ?
The dorsal carpal ligament formed by the fibrous layer of the joint capsule and represented extensor retinaculum surrounded the extensor tendon on the dorsal aspect of the carpus which blends on each side with the collateral ligaments (Fig.
(3) It is believed the consequence of this biomechanical overloading is that the extensor retinaculum thickens to resist the cumulative strain.
The intermediate layer has two components: the intermediate root of the inferior extensor retinaculum and the cervical ligament.
[1,2,5] This was mainly due to a restricted gliding of the APL and EPB tendons in the narrow compartment caused by thickening of the extensor retinaculum and compressing the APL and EPB tendons.
Extensor carpi radialis brevis (ECRB) was absent, whereas extensor carpi radialis longus (ECRL) was giving two tendons in the second compartment of extensor retinaculum before its insertion while passing deep to the abductor pollicis longus (Fig.
There were a few soft tissue adhesions and the mass was attached to the extensor tendons under the extensor retinaculum but it did not appear to have any extension deep into the wrist joint.
After reflection of the skin and superficial fascia on the back of the forearm and hand, the extensor retinaculum was divided longitudinally to fully expose the tendons.

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