Musculus flexor brevis digitorum, also known as the flexor digitorum brevis muscle, is a significant muscle located in the foot. It is responsible for flexing the toes and aiding in the overall movement of the foot. However, there are various synonyms used for this muscle. Some common alternatives include flexor brevis muscle of the toes, short flexor muscle of the digits, and brevis flexor of the toes muscle. Although the name may differ, the function remains the same. Understanding these different synonyms can assist in better understanding anatomical discussions and descriptions of the foot muscles.