SVALY MIMICK

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MASTICATORY MUSCLES

• n. V3 n. MANDIBULARIS
• derivates of 1st pharyngeal arch
• m. temporalis
• m. masseter
• m. pterygoideus medialis
• m. pterygoideus lateralis

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Lower jaw movements

• elevation (elevatio)
• depression (depressio)
• protraction / propulsion (protractio / propulsio)
• retraction / retropulsion (retractio /
  retropulsio)
• lateropulsion (lateropulsio)

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m. temporalis
m. masseter
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Jakub Štefela,Svaly hlavy a krku, 2012
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m. pterygoideus lateralis
m. pterygoideus medialis
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m. pterygoideus lateralis
m. pterygoideus medialis
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Jakub Štefela,Svaly hlavy a krku, 2012
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Mandibular sling

• fibrous sling below angulus mandibulae
• connection of m. masseter and m. pterygoideus
  medialis

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FACIAL MUSCLES

• n. VII n. FACIALIS
• derivates of 2nd pharyngeal arch
• muscles around the eye
• muscles around the nose
• muscles around the mouth
• muscles of the cranial vault
• muscles of the auricle
• m. buccinator

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• Muscles around the eye
• m. orbicularis oculi
• pars palpebralis
• pars profunda(former pars lacrimalis)
• pars orbitalis
• m. procerus
• m. corrugator supercilii
• m. depressor supercilii

• Muslces around the nose
• m. nasalis
• pars alaris
• pars transversa
• m. depressor septi nasi

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• Muscles around the mouth
• modiolus anguli oris
• m. orbicularis oris
• pars marginalis
• pars labialis
• m. levator labii superioris
• m. levator l.s. alaeque nasi
• m. depressor labii inferioris
• m. levator anguli oris
• m. depressor anguli oris
• m. zygomaticus major
• m. zygomaticus minor
• m. risorius
• m. mentalis
• m transversus menti

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Modiolus anguli oris

• fibro-muscular node connecting the insertions of
  facial muscles
• serve as the hub and forms a dimple on the cheek

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• Galea aponeuroticaEpicranial sponeurosis

• tough aponeurosis covering the vertex of skull

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• Scalpation

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• Subgalear hematoma

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• Muslces of the cranial vault
• m. epicranius
• m. occipitofrontalis
• venter frontalis
• venter occipitalis
• m. temporoparietalis
• Galea aponeurotica Aponeurosis epicranialis

• Muscles of the auricle
• m. auricularis anterior
• m. auricularis superior
• m. auricularis posterior
• rudimentary muscle of auricle (7)

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m. buccinator
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• Musculus buccinator
• ductus parotideus Stenoni
• corpus adiposum buccae Bichati
• lateral wall of oral cavity
• testing movements of n. facialis

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Fasciae of head

• fascia temporalis
• fascia parotidea
• fascia masseterica
• fascia buccopharyngea
• lamina interpterygoidea
• corpus adiposum buccae Bichati

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Corpus adiposum buccae Bichati
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Superficial musculo-aponeurotic system (SMAS)

• continuous fibro-musuclar layer connecting the
  facial muscles and filling spaces between and
  around them

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Motor somite cranial nerves

• preotic myotomes (somitomeres) form the external
  muscles of eyeball n. III, IV, VI
• occipital somites from the muscles of tongue
  n. XII

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External muscles of eyeball

• mm. recti
• superior, inferior, medialis, lateralis
• mm. obliqui
• inferior, superior
• m. levator palpebrae superioris
• inervace n. III, n. IV, n. VI
• smooth muscles m. orbitalis Mülleri, m. tarsalis
  sup. Mülleri inf.

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External muscles of eyeball
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Jakub Štefela,Svaly hlavy a krku, 2012
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Movements of eyeball
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Anulus tendineus communis Zinni

• inside
• n. III
• n. VI
• n. nasociliaris
• n. II AO
• outside
• n. IV
• n. frontalis
• n. lacrimalis
• v. ophthalmica superior

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MUSLCES OF THE NECK
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Os hyoideum

• corpus
• cornua majora
• cornua minora

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Jakub Štefela,Svaly hlavy a krku, 2012
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Muscles of neck

• platysma n. VII
• m. sternocleidomastoideus n. XI C2-4
• mm. infrahyoidei ansa cervicalis profunda
• mm. suprahyoidei V3, VII., C1
• mm. scaleni nn. spinales (C1-C8)
• deep muscles of neck nn. spinales (C1-C6)

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Platysma

• superficial (skin) muscle
• external to lamina spf. fasciae cervicalis
• absent in the midline
• insertion pars labilais, modiolaris et
  mandibularis
• n. VII (r. colli)
• function skin tension

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• Krcní rasa Pterygium colli

Turners sy
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M. sternocleidomastoideus

• origin 2 parts
• pars sternali et clavicularis
• fossa supraclavicularis minor (projection of
  cupula pleurae)
• úpon processus mastoideus linea nuchalis
  superior
• n.XI fibers from C2-4
• movements in articulatio atlantooccipitalis

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M. sternocleidomastoideus

• function
• bilateral
• posterior part retroflexion
• anterior part anteflexion
• unilateral
• lateroflexion to the same side
• rotation to the opposite side

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Musculi infrahyoidei

• m. sternohyoideus
• m. sternothyroideus
• m. thyrohyoideus C1
• m. omohyoideus
• venter superior inferior
• innervation ansa cervicalis profunda C1-C3
• function stabilization of larynx

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• Torticollis

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Musculi suprahyoidei

• derivates of 2nd pharyngeal arch n. VII
• m. stylohyoideus
• m. digatricus venter posterior
• derivates of 1st pharyngeal arch n. V3
• m. mylohyoideus
• m. digatricus venter anterior
• derivates of cervical somites
• m. geniohyoideus C1
• function stabilization of larynx (phonation)

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Musculi scaleni

• m. scalenus anterior C4-6
• m. scalenus medius C3-8
• m. scalenus posterior C7-8
• fissura scalenorum
• skalenic syndrome
• anaeshetic block of plexus brachialis

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Deep cervical muscles

• m. longus capitis C1-3
• m. longus colli C2-6
• m. rectus capitis anterior C1
• m. rectus capitis lateralis C1
• movements of head and cervical vertebral column

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Triangles of neck

• regio colli anterior
• trigonum submandibulare
• trigonum submentale
• trigonum caroticum Malgaignei
• trigonum omotracheale musculare
• regio colli lateralis
• trigonum omoclaviculare
• trigonum omotrapezium
• fossa supraclavicularis minor
• fissura scalenorum
• trigonum scalenovertebrale

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FASCIA CERVICALIS 3 layers

• lamina superficialis
• lamina pretrachealis
• vagina carotica
• lamina prevertebralis

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Jakub Štefela,Svaly hlavy a krku, 2012
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Spaces in neck

• spatium previscerale
• spatium paraviscerale
• spacium retroviscerale
• continuous with
• cranially spatium parapharyngeum
• spatium retropharyngeum
• caudally spatium suprasternale
• mediastinum superius

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Spaces in neck
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Septum styloideum (bunch of Riolan)

• muscular septum covered with fasciae
• divides the cranial part of spatium
  parapharyngeum into the spatium prestyloidem
  retrostyloideum
• terminates appeoximately at the level of a line
  between the processus styloideus and cornu majus
  ossis hyoidei
• m. stylophyrangeus
• m. styloglossus
• m. stylohyoideus lig. stylohyoideum
• venter posterior m. digastrici
• m. sternocleidomastoideus

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