Infrahyoid muscles Flashcards by Izabel Prinsloo

Q

A

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Q

A

Sternohyoid

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Q

Sternohyoid origin

A

Mandubrium of sternum and medial end of clavicle

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Q

Sternohyoid insertion

A

Body of hyoid

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Q

Sternohyoid innervation

A

C1-C3
Branch called ansa cervicalis

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Q

Sternohyoid action

A

Depresses hyoid after elevation during swallowing

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Q

A

Omohyoid

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Q

Omohyoid origin

A

Superior border of scapula near suprascapular notch

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Q

Omohyoid insertion

A

Inferior border of hyoid

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Q

Omohyoid innervation

A

C1-C3
Branch ansa cervicalis

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Q

Omohyoid action

A

Depresses, retracts and steadies hyoid

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Q

A

Sternothyroid

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Q

Sternothyroid origin

A

Posterior surface of manubrium of sternum

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Q

Sternothyroid insertion

A

Oblique line of thyroid cartilage

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Q

Sternothyroid innervation

A

C2 and C3
Br ansa cervicalis

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Q

Sternothyroid action

A

Depresses hyoid and larynx

Q

A

Thyrohyoid

Q

Thyrohyoid origin

A

Oblique line of thyroid cartilage

Q

Thyrohyoid insertion

A

Inferior border of body and greater horn of hyoid

Q

Thyrohyoid innervation

A

C1
Via hypoglossal nerve

Q

Thyrohyoid action

A

Depresses hyoid and elevates larynx