extensor digitorum muscle

(redirected from Extensor digitorum communis muscle)

ex·ten·sor di·gi·to·rum mus·cle

[TA]
muscle of posterior (extensor) compartment of forearm; origin, lateral epicondyle of humerus; insertion, by four tendons into the bases of the middle and distal phalanges; action, extends fingers, especially at metacarpophalangeal joint; nerve supply, radial (posterior interosseous).

ex·ten·sor di·gi·to·rum mus·cle

(eks-ten'sŏr dij-i-tō'rŭm mŭs'ĕl) [TA]
Origin, lateral epicondyle of humerus; insertion, by four tendons into the base of the proximal and middle and base of the distal phalanges; action, extends fingers; nerve supply, radial (posterior interosseous).
Synonym(s): musculus extensor digitorum [TA] , extensor muscle of fingers, musculus extensor digitorum communis.

extensor digitorum muscle

Forearm muscle. Origin: lateral epicondyle of humerus. Insertion: common extensor tendon of fingers. Nerve: radial (C7-C8). Action: extends fingers and wrist.
See: arm for illus. (Muscles of the Arm)
See also: muscle
References in periodicals archive ?
Only the extensor digitorum communis muscle revealed a significant order effect, with the third procedure employing greater 50th percentile activation than the second trial (p < 0.
The anterior surface contains attachments for the ECRB and extensor digitorum communis muscles, which are in fact part of the common extensor tendon origin.
In patients suffering from radial nerve palsy, tendon transfer of the FCU to the extensor carpi radialis longus and extensor digitorum communis muscles is commonly done (Lieber & Friden, 1997; Lieber et al.

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