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: May 5th, 2025

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The lumbrical muscles of the hand are four small, fleshy muscles that are associated with tendons between the four fingers of the hand. Each lumbrical muscle flexes the corresponding digital joint to extend the finger in question.

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