Phonatory System: Extrinsic Muscles Flashcards

1
Q

Suprahyoid Muscles

A

Digastric
Stylohyoid
Mylohyoid
Geniohyoid

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2
Q

Digastric (anterior belly) Attachments

A

Mandible
Intermediate tendon of hyoid

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3
Q

Digastric (anterior belly) Functions

A

Pull hyoid/larynx up and forward

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4
Q

Digastric (posterior belly) Attachments

A

Mastoid process of temporal bone
Intermediate tendon of hyoid

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5
Q

Digastric (Posterior belly) Function

A

Pulls hyoid/larynx up and back

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6
Q

Stylohyoid Attachments

A

Styloid process of temporal bone
Hyoid bone

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7
Q

Stylohyoid Functions

A

Pulls hyoid and larynx up and back

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8
Q

Mylohyoid Attachments

A

Mandible, Median raphe, Hyoid bone

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9
Q

Mylohyoid Functions

A

Pulls hyoid/larynx up and forward

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10
Q

Geniohyoid Attachments

A

Mandible
Hyoid bone

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11
Q

Geniohyoid Functions

A

Pulls hyoid and larynx up and forward

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12
Q

Infrahyoid Muscles

A

Sternohyoid
Sternothyroid
Thyrohyoid
Omohyoid

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13
Q

Sternohyoid Attachments

A

Sternum
Hyoid

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14
Q

Sternohyoid Function

A

Pulls hyoid and larynx down

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15
Q

Sternothyroid Attachments

A

Sternum
Thyroid

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16
Q

Sternothyroid Functions

A

Pulls larynx down

17
Q

Thyrohyoid Attachments

A

Hyoid
Thyroid

18
Q

Thyrohyoid Functions

A

Pulls hyoid down, pulls thyroid up

19
Q

Omohyoid Superior Belly Attachments

A

Intermediate tendon
Hyoid

20
Q

Omohyoid Superior Belly Function

A

Pulls hyoid/larynx down

21
Q

Omohyoid Inferior Belly Attachments

A

Intermediate tendon
Scapula

22
Q

Omohyoid Inferior Belly Functions

A

Stiffens carotid sheath so blood vessels inside it doesn’t collapse during deep inhalation