Muscle Tables Flashcards by Shane Hagen

Origin of Anterior Digastric Belly

Digastric fossa of mandible

How well did you know this?

Not at all

Perfectly

Insertion of Anterior Digastric Belly

Hyoid bone via the digastric tendon

How well did you know this?

Not at all

Perfectly

Innervation of Anterior Digastric Belly

mylohyoid n. (CN V3)

How well did you know this?

Not at all

Perfectly

Action of Anterior Digastric Belly

lowers mandible or raises hyoid

How well did you know this?

Not at all

Perfectly

Origin of Posterior Digastric Belly

medial aspect of mastoid process

How well did you know this?

Not at all

Perfectly

Insertion of Posterior Digastric Belly

Hyoid bone via the digastric tendon

How well did you know this?

Not at all

Perfectly

Innervation of Posterior Digastric Belly

CN VII

How well did you know this?

Not at all

Perfectly

Action of Posterior Digastric Belly

elevates and retracts hyoid

How well did you know this?

Not at all

Perfectly

Origin of Mylohyoid

Mylohyoid line of mandible

How well did you know this?

Not at all

Perfectly

Insertion of Mylohyoid

hyoid bone and mylohyoid raphe

How well did you know this?

Not at all

Perfectly

Innervation of Mylohyoid

mylohyoid n. (CN V3)

How well did you know this?

Not at all

Perfectly

Action of Mylohyoid

supports and elevates floor of mouth; raises hyoid

How well did you know this?

Not at all

Perfectly

Origin of Geniohyoid

inferior mental spine of mandible

How well did you know this?

Not at all

Perfectly

Insertion of Geniohyoid

hyoid bone

How well did you know this?

Not at all

Perfectly

Innervation of Geniohyoid

C1 branch traveling with CN XII

How well did you know this?

Not at all

Perfectly

Action of Geniohyoid

draws mandible and hyoid toward each other

How well did you know this?

Not at all

Perfectly

Origin of Stylohyoid

styloid process

How well did you know this?

Not at all

Perfectly

Insertion of Stylohyoid

body of the hyoid bone

How well did you know this?

Not at all

Perfectly

Innervation of Stylohyoid

CN VII

How well did you know this?

Not at all

Perfectly

Action of Stylohyoid

elevates and retracts hyoid

How well did you know this?

Not at all

Perfectly

Origin of Hyoglossus

greater horn of the hyoid bone

How well did you know this?

Not at all

Perfectly

Insertion of Hyoglossus

lateral tongue

How well did you know this?

Not at all

Perfectly

Innervation of Hyoglossus

CN XII

How well did you know this?

Not at all

Perfectly

Action of Hyoglossus

depresses and retracts the tongue

How well did you know this?

Not at all

Perfectly

Origin of Genioglossus

superior mental spine

Insertion of Genioglossus

hyoid bone, tongue

Innervation of Genioglossus

CN XII

Action of Genioglossus

protrudes, depresses, and retracts the tongue

Origin of Styloglossus

styloid process

Insertion of Styloglossus

lateral tongue

Innervation of Styloglossus

CN XII

Action of Styloglossus

retracts and elevates the tongue

Origin of Palatoglossus

posterior margin of the hard palate, palatine aponeurosis

Insertion of Palatoglossus

lateral tongue

Innervation of Palatoglossus

CN X, pharyngeal branches

Action of Palatoglossus

depresses the palate, elevates the back of the tongue

Origin of Masseter

Zygomatic arch

Insertion of Masseter

lateral angle of the mandible

Innervation of Masseter

CN V3, Masseteric n.

Action of Masseter

elevate mandible

Origin of Temporalis

Temporal fossa and temporal fascia

Insertion of Temporalis

coronoid process, rams of the mandible down to the 3rd molar tooth

Innervation of Temporalis

CN V3, deep temporal nn.

Action of Temporalis

elevate and retract mandible

Origin of Medial Pterygoid

Deep Head: medial side of lateral pterygoid plate and pyramidal process of the palatine bone Superficial Head: tuberosity and pyramidal process of the palatine bone

Insertion of Medial Pterygoid

medial angle of the mandible

Innervation of Medial Pterygoid

N. to the medial pterygoid from CN V3

Action of Medial Pterygoid

Elevate and laterally move the mandible

Origin of Lateral Pterygoid

Upper Head: roof of the infra temporal fossa Lower Head: lateral surface of the lateral pterygoid plate

Insertion of Lateral Pterygoid

Upper Head: TMJ Disc Lower Head: Fovea of the Mandible

Innervation of Lateral Pterygoid

N. to the lateral pterygoid from CN V3

Action of Lateral Pterygoid

Protrude and laterally move the mandible

Origin of Tensor Veli Palatini

Scaphoid fossa, entire length of fibrous part of auditory tube, spine of sphenoid

Insertion of Tensor Veli Palatini

palatine aponeurosis

Innervation of Tensor Veli Palatini

V3 branch to medial pterygoid

Action of Tensor Veli Palatini

tense soft palate; open auditory tube

Origin of Levator Veli Palatini

petrous part of the temporal bone anterior to carotid canal

Insertion of Levator Veli Palatini

palatine aponeurosis

Innervation of Levator Veli Palatini

CN X via pharyngeal plexus

Action of Levator Veli Palatini

elevate soft palate

Origin of Palatopharyngeus

palatine aponeurosis

Insertion of Palatopharyngeus

Pharyngeal wall

Innervation of Palatopharyngeus

CN X via pharyngeal plexus

Action of Palatopharyngeus

depress soft palate or elevate pharynx; narrow fauces

Origin of Palatoglossus

palatine aponeurosis

Insertion of Palatoglossus

lateral tongue

Innervation of Palatoglossus

CN X via pharyngeal plexus

Action of Palatoglossus

depress soft palate or elevate rear of tongue; narrow fauces

Origin of Musculus Uvulae

central posterior hard palate (posterior nasal spine)

Insertion of Musculus Uvulae

uvula

Innervation of Musculus Uvulae

CN X via pharyngeal plexus

Action of Musculus Uvulae

Thickens central soft palate, shortens uvula