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: Jul 8th, 2025

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The extensor indicis muscle extends the index finger and helps extend the wrist. It is located on the ulna's posterior lower half. It runs parallel to the extensor pollicis longus.

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