flexor digitorum brevis (muscle)
flex·or di·gi·to·rum bre·vis (mus·cle)[TA]
muscle of first layer of plantar muscles; origin, medial tubercle of calcaneus and plantar aponeurosis; insertion, middle phalanges of four lateral toes by tendons perforated by those of the flexor digitorum longus; action, flexes lateral four toes; nerve supply, medial plantar.
Synonym(s): musculus flexor digitorum brevis [TA], musculus flexor brevis digitorum, short flexor (muscle) of toes
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