Extensor Indicis


Summary

Location:On the back of the hand, extending the index finger.

Information

Group:Wrist and Hand
Side(s) of body:Back
Function/Action:Index Finger Extensor

Details

Joint:Metacarpophalangeal
Bone:Ulna, Carpals, Phalanges
Origin:Posterior surface of ulna and interosseous membrane.
Insertion:Extensor expansion of index finger’s distal phalanx.