Muscles of Anterior Neck and Mouth Flashcards by Joshua Dillon | Brainscape

Q

Digastricus

A

Origin: Inner margins of the mandible

Insertion: Temporal bone

ACTION: Depresses the jaw

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Q

Mylohyoid

A

Origin: Inner medial edge of the mandible

Insertion: Hyoid bone

ACTION: Elevates the hyoid

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Q

Geniohyoid

A

Origin: Genial tubercle of mandible

Insertion: Hyoid bone

ACTION: Elevates the hyoid

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Q

Genioglossus

A

Origin: Genial tubercle of mandible

Insertion: Surface of the tongue

ACTION: Complex movements of the tongue

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Q

Sternohyoid

A

Origin: Sternum (posterior manubrium)

Insertion: Hyoid bone

ACTION: Depresses the hyoid bone

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Q

Omohyoid

A

Origin: Superior border or the scapula

Insertion: Hyoid bone

ACTION: Depresses the hyoid bone

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Q

Sternocleidomastoid

A

Origin: Sternum and Clavicle

Insertion: Mastoid process of temporal bone

ACTION: Depresses and rotates neck

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