Infrahyoids Flashcards by andy Nelson

Q

Sternohyoid origin

A

Posterior manubrium of sternum

Posterior medial clavicle

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Q

Sternohyoid insertion

A

Body of hyoid

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Q

Sternohyoid action

A

Depress hyoid

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Q

Sternohyoid nerve

A

Cervical plexus

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Q

Sternothyroid origin

A

Posterior manubrium

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Q

Sternothyroid insertion

A

Oblique line of thyroid cartilage

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Q

Sternothyroid action

A

Depress larynx, thyroid cartilage and hyoid

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Q

Sternothyroid nerve

A

Cervical plexus

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Q

Thyrohyoid origin

A

Oblique line of thyroid cartilage

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Q

Thyrohyoid insertion

A

Body and greater horn of hyoid

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Q

Thyrohyoid action

A

Depress hyoid

Elevate larynx and thyroid cartilage

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Q

Thyrohyoid nerve

A

C1 of hypoglossal

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Q

Omohyoid origin

A

Superior scapula

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Q

Omohyoid insertion

A

Inferior body of hyoid

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Q

Omohyoid action

A

Depress, retract and steady hyoid

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Q

Omohyoid nerve

A

Cervical plexus

Q

Cricothyroid origin

A

Front and lateral cricoid cartilage

Q

Cricothyroid insertion

A

Oblique: inferior thyroid cartilage
Upper: lower lamina of thyroid cartilage

Q

Cricothyroid action

A

Elevate and tilt cricocartilage (tense vocal cords)

Q

Crocothyroid nerve

A

External laryngeal N from CNX