Flexor hallucis brevis:
Proximal attachment – medial side of plantar surface of cuboid; lateral cuneiform
Distal attachment – two heads medial and lateral sides of base of proximal phalanx of hallux and sesamoid bones
Open chain function – flexion of 1st MPJ
Closed chain function – stabilises hallux on ground and stabilises first ray posteriorly
Nerve supply – medial plantar
Arterial supply – first plantar metatarsal artery
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