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 2nd, 2025

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The flexor hallucis longus tendon attaches the muscle of the flexor hallucis longus to the big toe's terminal phalanx. The flexor hallucis longus muscle is one of the hallux (plural, hallucis) muscles. It is used in flexing the largest, or big, toe and moving it to the side.

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