Supplementary Muscles Flashcards

1
Q

Infrahyoid

A

Originates below the hyoid bone

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2
Q

Suprahyoid

A

Originates above the hyoid bone

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3
Q

Sternohyoid Origin

A

Back surface of the top of the sternum and inner end of the clavicle

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4
Q

Sternohyoid Insertion

A

Lower edge of the body of the hyoid bone

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5
Q

Sternohyoid Use

A

Contraction pulls downward on the hyoid bone

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6
Q

Omohyoid Origin

A

-Posterior Belly: Upper edge of the scapula

-Anterior Belly: Same tendon near the sternum

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7
Q

Omohyoid Insertion

A

-Posterior Belly: A tendon near the sternum

-Anterior Belly: Lower edge of the greater cornu of the hyoid bone

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8
Q

Omohyoid Use

A

Contraction pulls downward and backward on the hyoid bone

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9
Q

Digastric Origin

A

-Anterior Belly: Inside the lower border of the mandible

-Posterior Belly: Mastoid process of the temporal bone

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10
Q

Digastric Insertion

A

-Anterior Belly: A tendon

-Posterior Belly: Same tendon

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11
Q

Digastric Use

A

Contraction pulls the hyoid bone upward & forward or upward & backward

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12
Q

Stylohyoid Origin

A

Back and side surfaces of the styloid process of the temporal bone

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13
Q

Stylohyoid Insertion

A

Hyoid bone

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14
Q

Stylohyoid Use

A

Contraction pulls upward & backward on the hyoid bone

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15
Q

Mylohyoid Origin

A

Along the inner surface of the body of the mandible

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16
Q

Mylohyoid Insertion

A

A tendinous midline raphe or the front surface of the hyoid bone

17
Q

Mylohyoid Use

A

Contraction pulls upward & forward on the hyoid bone

18
Q

Geniohyoid Origin

A

Inner surface of the front of the mandible

19
Q

Geniohyoid Insertion

A

Front surface of the body of the hyoid bone (runs essentially parallel to the anterior belly of the digastric muscle)

20
Q

Geniohyoid Use

A

Contraction can pull upward & forward on the hyoid bone

21
Q

Hyoglossus Origin

A

Greater cornu of the hyoid bone

22
Q

Hyoglossus Insertion

A

The side of the tongue

23
Q

Hyoglossus Use

A

Contraction can pull up on the hyoid bone

24
Q

Genioglossus Origin

A

Inner surface of the mandible

25
Q

Genioglossus Insertion

A

Undersurface of the tongue body and body of the hyoid bone

26
Q

Genioglossus Use

A

Contraction can pull the hyoid bone upward & forward

27
Q

Supplementary Laryngeal Muscles general use

A

-Stabilize the larynx
-Lower the larynx (infrahyoids)
-Raise the larynx (suprahyoids)