Synonyms for the term "musculus flexor hallucis longus" can be challenging to come by, as it refers to a specific muscle in the human body. However, it is possible to break down the term to identify a few related words. "Musculus" translates to "muscle", "flexor" indicates a muscle that bends or flexes, "hallucis" refers to the big toe, and "longus" implies length. Considering these individual elements, alternative phrases related to this muscle could include "long flexor muscle of the big toe", "muscle responsible for toe flexion" or "flexor muscle of the hallux". Although not direct synonyms, these phrases convey a similar meaning to the term "musculus flexor hallucis longus."