extensor pollicis longus muscle

Extensor pollicis longus (EPL) muscle is a muscle of the deep compartment in the posterior compartment of the forearm. It passes through the 3extensor compartment of the wrist, then continues laterally towards the thumb around Lister's tubercle. The tendon of EPL defines the ulnar border of the anatomical snuff box. It is one of the extrinsic muscles of the hand.

Summary

Related pathology

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