Handout 7: Upper articulatory aspects of speech production Flashcards
what do the intrinsic muscles of the tongue do?
are contained in the tongue w no external attachment
shape and produce fine movements of the tongue
what are the 4 intrinsic muscles of the tongue
superior longitudinal
inferior longitudinal
transverse
vertical
superior longitudinal muscle of the tongue …
elevates the tip
inferior longitudinal muscle of the tongue
pulls tip down and retracts
transverse muscle of the tongue
narrows, pulls edges toward midline
vertical muscle of the tongue …
pulls tongue down towards the floor of the mouth
extrinsic muscles of the tongue do what
have an attachment externally
work in placement and position of the tongue in the oral cavity
what are the 4 extrinsic muscles of the tongue
genioglossus
hypoglossus
palatoglossus
styloglossus
the genioglossus muscle of the tongue…
retracts (anterior) or protrudes (posterior)
the hypoglossus muscle of the tongue…
pulls sides of the tongue down
the palatoglossus muscle of the tongue…
elevates back of the tongue
the styloglossus muscle of the tongue…
elevates and retracts the tongue
what are the 5 muscles of the velar muscles? (soft palate)
levator veli palatini
uvula
palatoglossus
palatopharyngeus
tensor palatini
the levator veli palatini is where + does what
velum
elevates velum, closes velopharynx (superior pharyngeal constrictor - squeezes lateral and posterior wall of pharynx against velum)
the uvula is where and does what
a muscle of the velum
it elevates the velum but has a minor role
palatoglossus is where and does what
in velum
lowers velum and opens velopharynx
palatopharyngaus is where and does what
in velum
lowers velum and narrows pharynx