laryngeal muscle actions Flashcards

1
Q

posterior cricoarytenoid M

A

abducts vocal fold

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2
Q

lateral cricoarytenoid M

A

adducts vocal fold

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3
Q

transverse arytenoid M

A

closes cartilaginous portion of rima glottidis

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4
Q

oblique arytenoid M

A

closes cartilaginous portion of rima glottidis

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5
Q

aryepiglottic M

A

pulls arytenoid cartilages towards the epiglottis

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6
Q

thyroarytenoid M

A

relax vocal fold

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7
Q

vocalis M

A

relax posterior portion of vocal fold and tense the anterior portion of vocal fold

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8
Q

cricothyroid M

A

stretch and tense vocal fold

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