Extensor Digitorum Muscle
by ![Tim Taylor]()
Written by
Tim Taylor
Anatomy & Physiology Senior Writer
Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.
Last updated: Dec 9th, 2024
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The extensor digitorum muscle is an extrinsic muscle of the hand that originates at the lateral epicondyle in the elbow. The muscle crosses the posterior forearm to insert on the posterior of the phalanges, serving to extend the fingers and the wrist.
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