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Muscles of the Velum

1. Tensor Veli Palatini m.
2. Levator Veli Palatini m.
3. Uvular m.
4. Pharyngeal Constrictor m.
5. Palatoglossus m.
6. Palatopharyngeus m.

Tensor Veli Palatini muscle

Adds tension of the velum; tensing velum indirectly

Levator Veli Palatini muscle

Pulls soft palate UP; opens esophagus; alternates between breathing and swallowing; helps with oral and nasal sound

Uvular Muscle

Makes velum shorter

Pharyngeal Constrictor

superior, middle and inferior constrictor muscles; pharyngeal space reduced in diameter

Palatoglossus muscles

Anterior faucial pillar
contracts to pull soft palate DOWN; connects soft palate to side of tongue


Posterior faucial pillar
Connects soft palate and pharyngeal constrictor
Forms part of soft palate. Down=>nasal sound
Lowers soft plate; Narrows pharynx

Velum Up

Velum pulled against pharyngeal wall, not air escapes the nose to make an oral sound

Velum down

velum pulled down into nasopharynx, air comes our through nose to make a nasal sound.

Oro-facial muscles

Allows mobility and expression of the face
Intrinsic and Extrinsic muscles

Intrinsic Oro-facial muscles

Orbicularis oris

Orbicularis oris

Kissing muscle: closes mouth and puckers lips

Extrinsic Oro-facial Area

1. Transverse (2): Buccinator, Risorius
2. Angular (4)
3. Verticle (3)
4. Other (2)


Transverse, Extrinisc Oro-facial
Cheek muscle; compresses lips and cheeks against teeth, draws corners of mouth latterlly


Transverse, Extrinsic Oro-facial
Draws angle of mouth latterally; pulls mouth sides ways to say "E"

Levator labil superior

Angular, Extrinsic Oro-facial
Lifts upper lip

Levator labil superior alaeque nasi m.

Angular, Extrinsic Oro-facial
Flares nostrils

Zygomatic major and minor

Angular, Extrinsic Oro-facial
Draws corners of mouth upward and outward

Depressor labii inferior

Angular, Extrinsic Oro-facial
Draws lower lip downward and latterally


Verticle, Extrinsic Oro-facial
raises lower lip

Depressor anguli oris

Verticle, Extrinsic Oro-facial
Depresses corners of mouth upward and outward

Levator anguli oris

Verticle, Extrinsic Oro-facial
lifts corner of mouth or compresses lips

Incisivus superior and inferior m.

Parallel, Extrinsic Oro-facial
Help pucker and round lips
runs parallel to orbicularis oris

Platysma m.

Cervical/facial--shoulder muscle

Effect of Oro-facial muscles on speech

Closed, opened, rounded and spread the mouth

Pharyngeal muscles

advance the pharyngeal wall and narrow the pharyngeal diameter; no purely pharyngeal sounds in english

Extrinsic Transverse Oro-facial

runs horizontally from orbicularis oris
1. Buccinator
2. Risorius

Extrinsic Angular Orofacial

lifts upper lip, depresses lower, pulls corner of mouth up or down
1. Levator labii superior
2. Levator labii superior alaeque nasi
3. Zygomatic major and minor
4. Depressor labii inferior

Extrinsic Verticle Oro-facial

Raise corner of mouth or move lips
1. Mentalis
2. Depressor anguli oris
3. Levator anguli oris

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