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Extensor Digitorum Brevis

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Extensor Digitorum Brevis:

Proximal Attachment - Calcaneus; interosseous talocalcaneal ligament; stem of inferior extensor retinaculum

Distal Attachment - Long extensor tendons of four medial digits

Innervation - Deep fibular nerve

Action - Aids the extensor digitorum longus in extending the four medial toes at the metatarsophalangeal and interphalangeal joints

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