flexor digitorum brevis (muscle)
Definition: 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.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.