Extensor Pollicis Longus


Summary

Location:In the forearm, running from the humerus to the thumb, extending the thumb.

Information

Group:Wrist and Hand
Subgroup:Extensor Pollicis
Side(s) of body:Back
Function/Action:Thumb Extensor

Details

Joint:Carpometacarpal
Bone:Ulna, Carpals
Origin:Posterior surface of radius and interosseous membrane.
Insertion:Base of distal phalanx of thumb.