Flexor Hallucis Brevis

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Flexor Hallucis Brevis
Muscle Type
Origin Cuboid, lateral cuneiform and tibialis posterior insertion over the two remaining cuneiforms
Insertion Medial tendon to medial side of base of proximal phalanx of big toe. Lateral tendon to lateral side of same, both via sesamoids
Action Flexes metatarsophalangeal joint of big toe. Supports medial longitudinal arch
Synergists
Antagonists
Spinal innervation
Peripheral Innervation Medial plantar nerve (S2, 3)
Vasculature