Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Upper half of lateral shaft of tibia and interosseous membrane
INSERTION: Inferomedial aspect of medial cuneiform and base of 1st metatarsal
ACTION: Extends and inverts foot at ankle. Holds up medial longitudinal arch of foot
NERVE: Deep peroneal nerve (L4, 5)

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