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Dysphagia Exam 1
Muscles of Swallowing
42
Speech-Language Pathology
Graduate
06/23/2016

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Cards

Term
Buccinator
Definition
CN VII
- flatten cheek
- holds food to teeth
- retracts angles of mouth
Term
Depressor anguli oris
Definition
CN VII
- draws lower lip down
- draws angle of mouth down and outward
Term
depressor labii inferior
Definition
CN VII
- depresses lower lip
Term
levator anguli oris
Definition
CN VII
- pulls up corners of mouth
Term
levator labii superior
Definition
CN VII
- pulls up upper lip
Term
levator labii superior alaquae nasi
Definition
CN VII
- raises angle of mouth
Term
mentalis
Definition
CN VII
- pushes up lower lip
- raises chin
Term
orbicularis oris
Definition
CN VII
- closes/opens, protrudes, inverts, & twists lips
Term
risorius
Definition
CN VII
- draws corners outward
- causes dimples
- gives expression strain to face
Term
zygomaticus major
Definition
CN VII
- draws upper lip upward
- draws angle of mouth upward and backward
- "smiling" muscle
Term
zygomaticus minor
Definition
CN VII
- draws upper lip upward and outward
Term
lateral pterygoid
Definition
CN VII
- opens the mandible
- side to side movement of mandible
Term
medial pterygoid
Definition
CN V
- closes the mandible
Term
massester
Definition
CN V
- closes the mandible
Term
temporalis
Definition
CN V
- closes the mandible
- retracts the mandible
Term
superior longitudinal
Definition
CN XII
- elevates tip/sides of tongue to shape bolus
Term
inferior longitudinal
Definition
CN XII
- curls tongue tip down to shape bolus
Term
transverse
Definition
CN XII
- narrows and lengthens the tongue to contain bolus
Term
vertical
Definition
CN XII
- flattens and depresses the tongue to shape bolus
Term
tensor veli palatini
Definition
CN V
- tenses soft palate to contain bolus
Term
levator veli palatini
Definition
CN X
- elevates soft palate to close off nasopharynx
Term
palatoglossus
Definition
CN X
- elevates posterior tongue, depresses soft palate, and pulls in faucial pillars to close off oral cavity for bolus containment
Term
hyoglossus
Definition
CN XII
- depresses tongue
Term
styloglossus
Definition
CN XII
- draws up sides of tongue
Term
genioglossus
Definition
CN XII
- protrude and depress tongue
- draws tongue tip back and down
Term
geniohyoid
Definition
C1 spinal nerve
- elevates and draws forward the hyoid bone
- depresses mandible to open mouth
Term
mylohyoid
Definition
CN V
- elevates floor of the mouth
- elevates hyoid bone
- depresses mandible
Term
thryohyoid
Definition
C1 spinal nerve
- elevates thyroid cartilage to hyoid
- depress hyoid
Term
stylohyoid
Definition
CN VII
- draws hyoid bone backward and elevates the tongue
Term
digastricus
Definition
CN V
- elevate hyoid bone
- depress mandible when hyoid is fixed
Term
uvulae
Definition
CN X
- elevates soft palate
Term
palatopharyngeus
Definition
CN X
- elevates the pharynx/larynx
Term
stylopharyngeus
Definition
CN IX
- elevates the pharyx/larynx
- dialates pharynx
Term
salpingopharyngeus
Definition
CN IX
- elevates pharynx/larynx
- opens Eustachian tube
Term
cricopharyngeus
Definition
CN X
- tonically contracted-relaxes to allow for bolus passage into esophagus
Term
interarytenoid
Definition
CN X
- adduct true folds
- approximate false folds
Term
thryoarytenoid
Definition
CN X
- shortens/thickens vocal folds
- aid in epiglottic inversion
Term
lateral cricoarytenoid
Definition
CN X
- adducts vocal folds (closes glottis)
Term
superior constrictor
Definition
CN X
- pushes tail of bolus
Term
middle constrictor
Definition
CN X
- pushes tail of bolus
Term
inferior constrictor
Definition
CN X
- pushes tail of bolus
Term
longitudinal/circular muscles of esophagus
Definition
CN X
- peristaltic contraction through esophagus
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