Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Anterior belly: digastric fossa on posterior surface of symphysis menti. posterior belly: base of medial aspect of mastoid process
INSERTION: Fibrous loop to lesser cornu of hyoid bone
ACTION: Elevates hyoid bone. Assists swallowing and depresses mandible
NERVE: Anterior belly: mylohyoid nerve (V). posterior belly: facial nerve (VII)

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