Mega Muscles Worksheet - Review Flashcards

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A comprehensive set of Q&A flashcards covering muscles of respiration, phonation, resonance, articulation, tongue muscles (intrinsic and extrinsic), and laryngeal/hyoid muscles with their innervations.

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94 Terms

1
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Diaphragm

What is the primary muscle for breathing?

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The diaphragm tightens and expands the chest

What happens to the diaphragm when air is pulled into the lungs?

3
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Phrenic nerve

Which nerve innervates the diaphragm?

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External Intercostals

Which muscle(s) raises the ribs to widen the chest and lower air pressure, aiding inhalation?

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Intercostal nerves

Which nerves innervate the External Intercostals?

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Internal Intercostals

Which muscle(s) pushes the ribs down to shrink the chest and force air out during exhalation?

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Intercostal nerves

Which nerves innervate the Internal Intercostals?

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Thyroarytenoid (including Vocalis)

Which muscle adjusts tension for voice pitch and shortens/thickens the vocal folds?

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Recurrent laryngeal nerve of CN X

Which nerve supplies the Thyroarytenoid muscle?

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Posterior cricoarytenoid

Which muscle opens the vocal folds to allow breathing?

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Recurrent laryngeal nerve of CN X

Which nerve innervates the Posterior cricoarytenoid?

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Lateral cricoarytenoid

Which muscle closes the vocal folds for phonation?

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Recurrent laryngeal nerve of CN X

Which nerve innervates the Lateral cricoarytenoid?

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Arytenoid (Oblique and Transverse)

Which muscles adduct the vocal folds, aiding in closing them?

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Recurrent laryngeal nerve of CN X

Which nerve innervates the Arytenoid muscles?

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Cricothyroid

Which muscle stretches and tensions the vocal folds to increase pitch?

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External branch of the superior laryngeal nerve

Which nerve innervates the Cricothyroid?

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Levator veli palatini

Which muscle elevates the soft palate during swallowing and speech?

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Pharyngeal plexus (CN X)

Which nerve innervates Levator veli palatini?

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Musculus uvulae

Which muscle shortens and elevates the uvula to aid velopharyngeal closure?

21
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Pharyngeal plexus (CN X)

Which nerve innervates the Musculus uvulae?

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Palatoglossus

Which muscle elevates the back of the tongue to the palate, narrowing the oropharyngeal opening?

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Pharyngeal plexus (CN X)

Which nerve innervates Palatoglossus?

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Palatopharyngeus

Which muscle narrows the pharyngeal cavity and lowers the soft palate, helping close nasopharynx?

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Pharyngeal plexus (CN X)

Which nerve innervates Palatopharyngeus?

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  • Superior Pharyngeal Constrictor

  • Middle Pharyngeal Constrictor

  • Inferior Pharyngeal Constrictor.

Which group of muscles constrict the pharyngeal diameter for swallowing and phonation?

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Tensor veli palatini

Which muscle tenses the soft palate and opens the Eustachian tube during swallowing and yawning?

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Mandibular branch of CN V

Which nerve innervates Tensor veli palatini?

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Genioglossus

Which muscle protrudes the tongue?

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Hypoglossal nerve (CN XII)

Which nerve innervates the Genioglossus?

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Hyoglossus

Which muscle depresses and retracts the tongue?

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Hypoglossal nerve (CN XII)

Which nerve innervates the Hyoglossus?

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Styloglossus

Which muscle elevates and retracts the tongue?

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Hypoglossal nerve (CN XII)

Which nerve innervates the Styloglossus?

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Palatoglossus

Which muscle elevates the posterior part of the tongue, narrowing the oropharyngeal isthmus?

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Pharyngeal plexus (CN X)

Which nerve innervates the Palatoglossus?

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Orbicularis Oris

Which muscle encloses the mouth and contracts to purse the lips?

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Facial nerve (CN VII)

Which nerve innervates the Orbicularis Oris?

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Buccinator

Which muscle compresses the cheek, aiding in mastication and speech sounds?

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Facial nerve (CN VII)

Which nerve innervates the Buccinator?

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Risorius

Which muscle draws the corner of the mouth laterally?

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Facial nerve (CN VII)

Which nerve innervates the Risorius?

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Levator Labii Superioris

Which muscle elevates the upper lip?

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Facial nerve (CN VII)

Which nerve innervates the Levator Labii Superioris?

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Zygomaticus Major

Which muscle raises the corner of the mouth?

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Facial nerve (CN VII)

Which nerve innervates the Zygomaticus Major?

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Mylohyoid

Which muscle elevates the hyoid bone and floor of the mouth, aiding swallowing?

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Mylohyoid nerve (branch of CN V3)

Which nerve innervates the Mylohyoid?

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Digastric (anterior and posterior) and Stylohyoid elevate the hyoid during swallowing

Which muscle elevates hyoid bone during swallowing: anterior belly of digastric, posterior belly of digastric, or stylohyoid?

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Mylohyoid nerve (branch of CN V3)

Which nerve innervates the Anterior Belly of Digastric?

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Sternohyoid

Which muscle depresses the hyoid bone?

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Ansa cervicalis

Which nerve innervates Sternohyoid?

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Sternothyroid

Which muscle depresses the larynx?

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C1 via CN XII

Which nerve innervates Thyrohyoid?

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Stylohyoid

Which muscle elevates and retracts the hyoid bone?

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Facial nerve (CN VII)

Which nerve innervates the Stylohyoid?

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  • Digastric (anterior and posterior)

  • Mylohyoid

  • Stylohyoid

  • Geniohyoid

Which muscles are part of the suprahyiod group?

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  • Sternohyoid

  • Omohyoid

  • Sternothyroid

  • Thyrohyoid

Which muscles are part of the infrahyoid group?

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Ansa cervicalis

Which nerve supplies the Infrahyoid muscles (Sternohyoid, Omohyoid, Sternothyroid)?

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C1 via CN XII

Which nerve supplies the Thyrohyoid?

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Levator veli palatini

Which muscle elevates the soft palate and closes the nasopharynx?

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Buccinator

What muscle is this?

<p>What muscle is this? </p>
63
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Omohyoid

What muscle is this?

<p>What muscle is this? </p>
64
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Risorius

What muscle is this?

<p>What muscle is this? </p>
65
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Musculus uvulae

What muscle is this?

<p>What muscle is this? </p>
66
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Geniohyoid

What muscle is this?

<p>What muscle is this? </p>
67
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Digastric (anterior and posterior)

What muscle is this?

<p>What muscle is this? </p>
68
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Sternohyoid

What muscle is this?

<p>What muscle is this? </p>
69
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Sternothyroid

What muscle is this?

<p>What muscle is this? </p>
70
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Middle pharyngeal constrictor

What muscle is this?

<p>What muscle is this? </p>
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Levator veli palatini

What muscle is this?

<p>What muscle is this? </p>
72
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Mylohyoid

What muscle is this?

<p>What muscle is this? </p>
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Stylohyoid

What muscle is this?

<p>What muscle is this? </p>
74
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Zygomaticus minor

What muscle is this?

<p>What muscle is this? </p>
75
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Zygomaticus major

What muscle is this?

<p>What muscle is this? </p>
76
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Levator labii superioris

What muscle is this?

<p>What muscle is this? </p>
77
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Inferior pharyngeal constrictor

What muscle is this?

<p>What muscle is this? </p>
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Tensor veli palatini

What muscle is this?

<p>What muscle is this? </p>
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Genioglossus

What muscle is this?

<p>What muscle is this? </p>
80
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Hyoglossus

What muscle is this?

<p>What muscle is this? </p>
81
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Styloglossus

What muscle is this?

<p>What muscle is this? </p>
82
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Orbicularis oris

What muscle is this?

<p>What muscle is this? </p>
83
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Superior pharyngeal constrictor

What muscle is this?

<p>What muscle is this? </p>
84
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Palatopharyngeus

What muscle is this?

<p>What muscle is this? </p>
85
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Palatoglossus

What muscle is this?

<p>What muscle is this? </p>
86
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Oblique arytenoid muscle

What muscle is this?

<p>What muscle is this? </p>
87
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Transverse arytenoid muscle

What muscle is this?

<p>What muscle is this? </p>
88
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Diaphragm

What muscle is this?

<p>What muscle is this? </p>
89
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Lateral cricoarytenoid

What muscle is this?

<p>What muscle is this? </p>
90
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External intercostals

What muscle is this?

<p>What muscle is this? </p>
91
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Internal intercostals

What muscle is this?

<p>What muscle is this? </p>
92
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Thyroarytenoid

What muscle is this?

<p>What muscle is this? </p>
93
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Cricothyroid

What muscle is this?

<p>What muscle is this? </p>
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Posterior cricoarytenoid

What muscle is this?

<p>What muscle is this? </p>