Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
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
NERVE: Medial plantar nerve (S2, 3)

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