Muscles Flashcards
Soft palate muscles which CN are inervided
CN V3 y el X el vago
Cuáles son los palate muscles
Palatopharyngeus
Músculus uvylae
Tensor celu platine
Levator veli palatine
Salpingopharyngeus
Palatopharyngeus origin, insertion action
CN X
Origin palatine aponeurosis
Insertion upper border of thyroid cartilage and Pharyngeal wall
Action pulls pharynx and larynx upwards
Palatopharyngeal and palatoglusus
Just behind palatine tonsil forms the palatopharyngeal arch which is post pillar of the fossess and forms the beginning of the paharynx
palatogloso the anterior pillar of the fossees
Musculus uvulae: origin insertion action
CN X
Origin palatine aponeurosis
Insertion uvula
Action shortens and broadens the uvula to help closes nasopharyngeal during the swallowing
Tensor veli palatine origin, insertion action
CN -> V3
Origin -> scaphoid fossa
Cartilaginous part of auditory tube
Insertion -> Palatine aponeurosis
Action -> Tenses the soft palate
Opens the auditory tube to
Equalize air pressure between the middle ear and the nasopharynx
The auditory connects between
With the middle ear and the nasopharynx
Caminando trekking la elevación del air pressure está moldeado por
Tensor veli palatini
Tensor veli palatine is responsible for
Forming the sheet of tissue palatine aponeurosis across the soft palate
Tendon of tensor veli palatini calls
Pterygoid hamulus
Levator veli Palatini Origin insertion action
CN -> X
Origin -> Petrous part of temporal bone
Cartilaginous part of auditory tube
Insertion-> palatine aponeurosis
Action -> elevates the soft palate to close nasopharynx during swallowing
Salpingopharyngeus origin insertion and action
CN -> X
Origi -> cartilaginous part of the auditory tube
Insertion -> upper boarder thyroid cartilage
Pharyngeal wall
Action -> equalize air pressure
Salpingopharyngeus refers to
Salpingo Eustaquio o auditory tube
Pharyngeus where it inserts
Muscles of the facial expression responsable de
Smiling and frowning
Características de muscles of the expression
Formed from paraxial mesoderm 2nd arch
Originate from bone
Insert to the dermis
Generally named by action or location
Muscles of the expression CN
VII
Epicranial muscles are
Occipitofrontalis
Temporoparietalis
Occipitofrontalis muscles also named
Epicranius muscles
Occipitofrontalis origin and inserts
Origin eyebrows
Se extiende hasta back to head
EPICRANIAL APONEUROSIS ->
connects frontal and occipital bellies
Forms middle layer of the scalp
Action -> pulls the forehead up
Retracts the scalp
Temporoparietalis o
Latterally of the skull it runs transversely and perpendicular to de O
Sits over
The temporalis muscle
Cuáles son los Smiling muscles
Zygomaticus major
Zygomaticus minior
Orbicularis oculi
Levator labii Superioris
Levator Anguli Oris
Risorius
Todos 2
Zygomaticus major
CN VII
Origin -> zygomitic bone
Insertion -> modioulus
Action -> pulls up the corners mouth
For smiling laughing displaying teeth
Modiolus
Masa the tejido fribromuscular denso compacto móvil formado por el entrelazamiento or intersection bunch of facial muscles lateral and slightly superior to each corner of the mouth
Important moving the mouth
Chiasma
Zygomatic minior
same action to the Zygomatic major
Orginates little middle to the Zygomatic major
Orbicularis oculi
Eye sphincter that closes the eyelids
Palpebral portion blinking
Orbital portion tight closure
Protects cornea
Levayor paloebrae do de opposite of this muscle
Levator labii superioris
Broad flat elevate the upper lips
Levator Anguli Oris
Deep muscle raise the corners of the mouth medially
Origin -> canine fossa below the infraorbital
Inserts in Modiolus
Action elevate the angle of the mouth
Risorius
Pulls lip laterally without displaying the teeth
Insert modiolus
Which muscles inserts in modiolus
Smiling muscles
Levator Anguli Oris
Zygomaticus major
Risorius
Frowning muscles
Orbicularis Oris
Other muscles buccinator
Cuál es el músculo que se encuentra en smiling muscles and frowning muscles
Orbicularis Oris
Orbicularis Oris
Action-> puckers the lips, compresses lips against teeth used in speech
Blends with buccinator laterally
Inserts modiolus
Which muscle participate in speech
Orbicularis Oris
Depressor Anguli Oris
Origin mental tubercle and lower border of the mandible
Action Pulls down the lips
Insert modiolus
Depressor labii inferior is
Action pulls down lower lip
Platysma
Superficial muscles
Action pulls down the lips and mouth
Wrinkles the skin or portions of the lower face
Overlaps sternocleidomastoid neck muscle
Mentalis muscle
Deep triangular muscle
Origin —> mental tubercle of mandible
Action—> pouts lower lip
Mentalis strain on lips closure -> sign of lip incompetence
Can displace a lower denture
Corrugator supercilli
Draws eyebrows together to furrow eyebrow
Prócerus
Pyramid shaped muscle
Action —> wrinkles bridge of nose
Buccinator
Origin—>maxillary and mandible process
Insertion—> modiolus
blends with the Orbicularis Oris
Action—> tenses the cheek to keep food between teeth
Pierced by parotid duct
Buccinator
Deep portion of the buccinator attaches posteriorly to the pterygomandibular raphae -> ligamentous band of fascia that attaches buccinator to the superior pharyngeal constrictor muscle
Nasalis
Flares nostrils and compresses nose
Tongue muscles
Formed paraxial mesoderm that eventually becomes from occipital somites
CN-> X XII
Tongue muscle divided
Extrinsic muscle
Outside the tongue and attach to
It
Function alter the position tongue
Tongue extrinsic muscle
Hyoglossus
Genioglossus
Palatoglossus
Styloglossus
Hi my tongue is a GPS
Hyoglossus
CN XII
Origin hyoid bone
Insertion tongue
Action depresses the tongue
Genioglossus
CN XII
Origin genial tubercles mental spines
Insertion tongue
Action protudes the tongue
Styloglossus
Thinner muscle
CN XII
Origin styloid process of temporal bone
Insertion tongue
Action retracts the tongue
Palatoglossus
CN X
Origin palatine aponeurosis
Insertion tongue
Action elevates back part of the tongue
Forms the paladoglossal muscle arch anterior pillar of fosses
Marks the end of the oral cavity
Tongue intrinsic muscles
Longitudinal superior and inferior
Transversal
Vertical
Attach entirely within the tongue
Function. Alter the shape of the tongue
CN XII
Que músculo del soft palate y del ear muscle is innervated by V3
Tensor veli palatine
Tensor tympani
Extraocular eye muscles
Levator palpebrae superioris
Inferior oblique
Lateral rectus
Inferior rectus
Superior oblique
Superior rectus
Medial rectus
Tia Lilism
Levator Palpebrae superioris
CN III
Origin lesser win of sphenoid
Insertion upper eyelid
Action elevates upper eyelid
Superior Oblique muscle
CN IV the trochesal nerve
Origin sphenoid bone ( just medial to optic canal)
Insertion lateral surface of eyeball
Action abducts depresses and intorts the eye
Hooks around troches
Inferior oblique
Origin maxilla
Insertion lateral surface of eyeball
Action abducts elevate and exort the eye
Lateral rectus muscle
CN VI
Origin annulus of Zinn
Insertion lateral surface of eyeball
Action abducts the eye
SO4 LR6
Superior Rectus
CN III
Origin annulus of zinn
Insertion superior surface of eyeball
Action adducts elevates and intorts the eye
Inferior rectus
CN III
Origin annulus of zinn
Insertion inferior surface of the eyeball
Action adducts and depress the eye
Medial rectus
CN III
Origin annulus of Zinn
Insertion medial surface of eyeball
Action adducts the eye
Intraocular eye muscles
Ciliary muscle
Sphincter pupillae
Dilator pupillae
Ciliary muscle
CN III
Helps accommodation for near vision
pSNS fibers of oculomotor nerve via short ciliary nerves
Sphincter Pupillae
Circular fibers around the pupil = miosis
Also called iris sphincter
Action Constricst pupil Miosis
PSNS fibers of oculomotor nerve via short ciliary nerves
Dilator Pupillae
CN V1
Radial fibers also called Iris dilator
Action Dilates pupil= mydriasis
SNS fibers of V1 via long ciliary nerves
Eye muscle inervate and these CN transmitted via
CN III
IV
V1
VI
Superior orbital fissure opens into the orbit and supply all the muscles
Muscles of the neck
Are divided in 2 main triangles anterior post
Muscles of the neck porque anterior y posterior
For localizing anatomical structures and pathological conditions
Separate SCM
Submandibulsr trinagule
CN XII
Bellies ant y post del digastric
Contains
submandibular gland,
submandibular lymph note
Facial artery and nerve
Myeloid nerve
Submental triangle
Framed midline, belly ant of digastric, hyoid bone
Contain
Submental lymph nodes
Beginning of ant jugular veins
Muscular triangle
Framed midline, sup belly of omohyoid
SCM
Cointains
Infrahyoid muscles
Thyroid and para thyroid glands
Carotid triangle
Sup belly of omohyoid, SCM, post belly of digastric
Contain
Carotid sheath
CN XII
Ansa Cervicalis
Carotid artery pulse is palpable
Carotid sheath of carotid triangle contains
Common carotid artery
Internal jugular vein
CN X
Deep cervical lymph nodes
Post triangle
Divided
Occipital triangle above inferior belly of omohyoid
Subclavian triangle below
Contains
CN XI
Branches of cervical plexus
Subclavian artery vein
Floor consists splenius capitis Levator scapulae
Ant,
Midline
Post scalenes
Suprahyoids
Google MAPS is super
Action elevate the hyoid bone and tongue
Geniohyoid
C1
Origin genial tubercles of mandible
Insertion hyoid bone
Action elevates hyoid bone and tongue during swalowing
Neck muscles are inervated by
CN V3
VII
XI
C1-3
The ant part of muscles of neck divide in
4
Submandibular triangle
Submental triangle
Muscular triangle
Carotid triangle
Post part of the muscles of the neck contains
2 smaller triangle muscles
Mylohyoid
CN v3
Origin mylohyoid line of the mandible
Insertion hyoid bone
Action elvates the hyoid and the tongue
Forms the floor of mouth
Anterior belly of digastric
Cn V3
Origin digastric fossa of mandible
Insertion intermediate tendon that attached to hyoid
Action elevate hyoid
Assist to lateral pterydoid in the depressing the mandible
Post belly of dygastric
CN VII
Origin mastoid process of temporal bone
Insert intermediate tendon attaches to hyoid
Action the same as the ant
To be sensitive to palpation in class II skeletal patients retrognathic mandible
Styhoid
CN VII
Origin styloid process of the temporal bone
Insertion greater horn of hyoid
Action elevate the hyoid and tongue during the swallowing
Infrahyoid strap
Thyrohyoid
Omohyoid
Sternothyroid
Sternohyoid the strap
Thyrohyoid
CN C1
Origin thyroid cartilage of larynx
Insertion hyoid bone
Action elevate the thyroid and depress the hyoid
Thyroid
CN C1
Origin thyroid cartilage of larynx
Insertion hyoid bone
Action elevate the thyroid and depress the hyoid
Omohyoid
CN C1-C3
Origin scapula known as shoulder blade
Insertion hyoid bone
Action depress the larynx and hyoid bone
Sup and inf bellies connnected via intermediate tendon
Sternothyroid
CN C1- C3
Origin manubrium of the sternum center of the chest
Insertion thyroid cartilage
Action depress the thyroid cartilage
Sternohyoid
CN C1-C3
Orgin manubrium of sternum
Insertion hyoid bone
Action depress the hyoid
Submandibular triangle and carotid triangle cointains
CN XII
Sternocleidomastoid
CN XI
Origin maniubrium of sternum and clavicle
Insertion mastoid process of temporal bone
Action rotate and flexes the neck
Trapezius
CN XI
Origin spine and occipital protuberance
Insertion scapula
Action rotates elevates and depress the shoulder
Only muscle of the upper limb supplied by craneal nerve
Pharynx and larynx muscles
Pharynx the back of throat
Larynx voice box further down
Pharynx outer circular layer
Superior constrictor -> attaches anteriorly and posteriorly pharyngeal raphe midline with buccinator muscle and ptherygomandibular raphe
Middle constrictor
Inferior constrictor
All Function involuntarily constrictor the pharynx to propel bolus downward during swallowing
Pharynx inner longitudinal layer
Salpimgopharyngeus
Palatopharyngeus
Stylopharyngeaus
Function to involuntarily elevate pharynx during swallowing and speaking
Larynx Posterior cricoarytenoid
CN X
Origin cricoid
Insertion arytenoid cartilage
Action abduct the vocal cords away from a the midline thereby opening the airway at the glottis
Larynx oblique and transverse arytenoid
CN X
Origin arytenoid cartilage
Insert arytenoid cartilage
Action adduct the vocal cords towards the midline thereby closing the larynx during coughing or swallowing
Cricoidthyroid
CN X
Origin cricoid cartilage
Insertion thyroid cartilage
Action tenses and enlongare the vocal folds to increase pitch
Thyroid arytenoid
CN X
Origin thyroid cartilage
Insertion arytenoid cartilage
Action reduces tension and shortens vocal folds to decrease pitch
Cricothyroid
Only lanrymgeal muscles innervated by superior laryngeal nerve branch of the Vague nerve
instead of recurrent laryngeal nerve
Ear muscles
Tensor tympani
CN V 3
Origin bony part of auditory tube Eustaquio
Insertion malleaus
Action tenses the tympanic membrane to adorn loud sound to protect hearing damage
Extrinsic auricular ear
CN VII
Superior largest
Porterior
Anterior smallest
Function alter the position of the outer ear
Intrinsic auricular muscles
CN VII
Hélicis major
Hélicis minior
Tracigus
Antitracigus
Oblique auricular
Transverse auricular
Function to alter the shape of the ear
Palatine aponeurosis
Thin fibrous membrane that forms the base of the soft palate
Provides attachment for muscles in the soft palate
Connects with the palatine muscles
Muscles of masticación
Paraxial mesoderm 1st arch
Originate—> skull
Insert —> mandible
Mesoderm tissue —> develops on either side of neural tube
CN V3
Masseter
Origin—> zygomatic arch
Insertion—> lateral surface of ramus and angle
Action —> elevates mandible,
Superficial fibers protrude
Deep fibers retract
Moves md towards same side
Temporalis
Origin—> temporal fossa
Insertion—> coronoid process
Action—> elevates md
Post fibers retract md
Media pterygoid
Origin—> maxillary tuberosity ( superficial) medial surface of lateral pterygoid plate
Insertion—> medial surface of ramus and angle
Action—> elevates and protrudes Md
Moves Md toward opposite site
Comtralateral extrusion
Lateral pterygoid
Origin—> infratemporal crest ( superior head) and lateral surface of lateral pterygoid plate ( inferior head)
Insertion —> articular disc ( superior head) and pterygoid fovea ( inferior head
Action—> depresses and protrudes Md
Moves Md toward opposite site
Which muscles are innervated by CN V3
- Ant belly of digastric ( muscles of the neck)
- milohyoid ( muscles of the neck)
- tensor veli palatini ( soft palate muscle)
Which muscles are inervated CN X
Palatopahryngeus de ambos
Musculus uvalae
Levator veli palatini
Salpingopharyngeus ( soft palate muscle and inner longitudinal layer pharynx
Outer circular layer ( pharynx muscle)
Muscles of the larynx
