left extensor digitorum

In 2 atlases

muscle of the upper limb

Source: Wikidata · Licence: CC0-1.0

Description from Wikidata (https://www.wikidata.org/), available under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/).

Origin: lateral epicondyle of the humerus
Insertion: middle phalanx of left index finger, middle phalanx of left middle finger, middle phalanx of left ring finger, middle phalanx of left little finger, distal phalanx of left index finger, distal phalanx of left middle finger, distal phalanx of left ring finger, distal phalanx of left little finger
Action: extension of the wrist joint, extension of the fingers
Innervation: nerve to extensor digitorum

The 3D model shows 8 origin and insertion areas of this muscle.