Hyoid Muscles Flashcards

1
Q

Digastric Muscle

Location
Region
Origin
Insertion
Action
A

Location: Under chin

Region: Suprahyoid

Origin:

  • Anterior: Intermediate tendon
  • Posterior: Mastoid notch.

Insertion:

  • Anterior: mandible
  • Posterior: immediate tendon

Action: Elevation of hyoid and larynx, depresses mandible and opens jaw.

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2
Q

Mylohyoid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Under chin
Region: Suprahyoid
Origin: Mylohyoid line of mandible. 
Insertion: Hyoid bone. 
Action: Elevates tongue.
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3
Q

Stylohyoid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Under chin
Region: Suprahyoid
Origin: Styloid process
Insertion: Hyoid bone. 
Action: Elevation of hyoid and larynx, depresses mandible and opens jaw.
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4
Q

Geniohyoid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Under chin
Region: Suprahyoid
Origin: Genial tubercles of mandible
Insertion: Hyoid bone
Action: Elevation of hyoid and larynx, depresses mandible and opens jaw.
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5
Q

Omohyoid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Neck
Region: Infrahyoid
Origin: Scapula
Insertion: Hyoid
Action: Depresses hyoid bone and larynx
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6
Q

Sternohyoid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Neck
Region: Infrahyoid
Origin: sternum
Insertion: Hyoid
Action: Depresses hyoid bone and larynx
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7
Q

Sternothyroid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Neck
Region: Infrahyoid
Origin: sternum
Insertion: Thyroid
Action: Depresses thyroid cartilage
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8
Q

Thyrohyoid Muscle

Location
Region
Origin
Insertion
Action
A
Location: Neck
Region: Infrahyoid
Origin: thyroid
Insertion: Hyoid
Action: Raises thyroid cartilage and larnyx.
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