Term
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Definition
INTRINSIC--ADDUCTOR
O: superior lateral surface of the cricoid
C: superior and posterior
I: muscular process of the aryteniod
fcn: move the muscular process forward and medially in a rocking movement |
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Term
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Definition
INTRINSIC--ADDUCTOR
O: lateral margin of the posterior surface of one aryteniod
C: laterally
I: lateral margin of the posterior surface of other aryteniod
fcn: pulls the arytenoids together and brings the vocal folds together |
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Term
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Definition
INTRINSIC--ADDUCTOR
O: posterior base of the muscular process
C: oblique and superior
I: apex of other arytenoid
fcn: pulls the apex medially to adduct the folds and helps with rocking the aryteniod down and in |
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Term
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Definition
INTRINSIC--ABDUCTOR
O: posterior cricoid lamina
C:oblique and superior
I: posterior aspect of opposite aryteniod muscular process
fcn: moves the vocal folds apart and pulls muscular process posteriorly which rocks the arytenoids out (abduction) |
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Term
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Definition
INTRINSIC--TENSOR
O: inner surface of the thyroid notch
C:posterior
I: lateral surface of the vocal process
fcn: to tense the vocal folds |
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Term
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Definition
INTRINSIC--TENSOR
PARS RECTA
O: anterior surface of the cricoid, behind the arch
C:superior and lateral
I: lower surface of the thyroid lamina
fcn: tense the vocal folds by rocking the thyroid down
-occurs at the cricothyroid joint
PARS OBLIQUE
O: same but lateral to pars recta
C: superior and lateral
I: thryoid cartilage where the lamina and inferior horn meet
fcn: to slide the thyroid forward and tense the vocal folds |
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Term
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Definition
INTRINSIC--RELAXER
O: inner surface of the thyroid cartilage, near the notch
C: posterior
I: muscular process and base of aryteniod
fcn: to relax the vocal folds
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Term
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Definition
INTRINSIC--AUXILIARY MUSCLE
O: inner surface of thyroid cartilage at the angle
C: superior and posterior
I: lateral epiglottis
fcn: open the laryngeal cavity |
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Term
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Definition
INTRINSIC--AUXILIARY MUSCLE
O: inner angle of thyroid
C: posterior and inferior
I: musular process of arytenoid
fcn: relaxing the folds |
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Term
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Definition
INTRINSIC--AUXILIARY MUSCULE
O: part of the oblique aryteniod muscle at the apex
C: posterior and superior
I: lateral epiglottis
fcn: the muscular part of the aryepiglottic fold which constricts the laryngeal opening |
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Term
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Definition
EXTRINSIC--ELEVATOR
O: styloid process of the temporal bone of the skull
C: medial and down
I: corpus of the hyoid
fcn: to elevate and retract the hyoid |
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Term
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Definition
EXTRINSIC--ELEVATOR
O: underside of the mandible
C fan like, posterior and down
I: corpus of the hyoid bone
fcn: to elevate the hyoid bone |
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Term
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Definition
EXTRINSIC--ELEVATOR
O: inner surface of the mandible
C: back and down
I: corpus of hyoid
fcn- to elevate the hyoid |
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Term
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Definition
EXTRINSIC--ELEVATOR
O: greater cornu of the hyoid
C: up
I: side of the tounge
fcn: to elevate the hyoid |
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Term
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Definition
EXTRINSIC--ELEVATOR
O: inner surface of the mandible at symphisis (pt. where 2 halves of mandible are fused)
C: superior and posterior
I: tounge and hyoid corpus
fcn: to elevate the hyoid |
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Term
| Inferior pharyngeal constrictor |
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Definition
EXTRINSIC--ELEVATOR
O: posterior pharynx (back of throat)
C: down
I: into thyroid lamina and inferior cornu
fcn:to elevate the larynx and constrict pharynx
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Term
| Digastricus, Anterior and Posterior |
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Definition
EXTRINSIC--ELEVATOR
ANTERIOR
O: inner surface of the mandible at the symphisis
C: medial and down
I: hyoid and intermediate tendon
fcn: to move the hyoid up and forward
POSTERIOR
O: mastoid process of temporal bone
C: down and forward
I: intermediate tendon of hyoid
fcn: move the hyoid up and back |
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Term
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Definition
EXTRINSIC--DEPRESSOR
O: oblique line of thyroid cartilage
C: down and medial
I: manubrium of the sternum
fcn: to lower the thyroid |
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Term
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Definition
EXTRINSIC--DEPRESSOR
O: manubrium of the sternum and medial end of clavicle
C: superior
I: inferior corpus of the hyoid
fcn: to lower the hyoid |
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Term
| Omohyoid, Superior and Inferior bellies |
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Definition
EXTRINSIC--DEPRESSOR
SUPERIOR
O: corpus of hyoid
C: down
I: an intermediate tendon
fcn: lower the hyoid
INFERIOR
O: scapula
C: medial
I: hyiod at intermediate tendon
fcn: lower the hyoid |
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Term
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Definition
EXTRINSIC--DEPRESSOR
O: oblique line of the thyroid cartilage
C: up
I: greater cornu of hyoid
fcn: to lower the hyoid |
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