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Slide 2 Slide 3 Slide 4 Slide 5 Slide 6 MASTICATORY MUSCLES n. V3 n. MANDIBULARIS derivates of 1st pharyngeal arch m. temporalis m. masseter m. pterygoideus medialis m. pterygoideus lateralis Slide 7 Lower jaw movements elevation (elevatio) depression (depressio) protraction / propulsion (protractio / propulsio) retraction / retropulsion (retractio / retropulsio) lateropulsion (lateropulsio) Slide 8 m. temporalis m. masseter Slide 9 Jakub tefela,Svaly hlavy a krku, 20129 Slide 10 m. pterygoideus lateralis m. pterygoideus medialis Slide 11 m. pterygoideus lateralis m. pterygoideus medialis Slide 12 Jakub tefela,Svaly hlavy a krku, 201212 Slide 13 Mandibular sling Mandibular sling fibrous sling below angulus mandibulae connection of m. masseter and m. pterygoideus medialis Slide 14 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 Slide 15 Slide 16 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 Slide 17 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 Slide 18 Modiolus anguli oris fibro-muscular node connecting the insertions of facial muscles serve as the hub and forms a dimple on the cheek Slide 19 Galea aponeurotica Epicranial sponeurosis tough aponeurosis covering the vertex of skull Slide 20 Scalpation Slide 21 Subgalear hematoma Slide 22 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) Slide 23 m. buccinator Slide 24 Musculus buccinator ductus parotideus Stenoni corpus adiposum buccae Bichati lateral wall of oral cavity testing movements of n. facialis Slide 25 Slide 26 Slide 27 Slide 28 Fasciae of head fascia temporalis fascia parotidea fascia masseterica fascia buccopharyngea lamina interpterygoidea corpus adiposum buccae Bichati Slide 29 Corpus adiposum buccae Bichati Slide 30 continuous fibro-musuclar layer connecting the facial muscles and filling spaces between and around them Superficial musculo-aponeurotic system (SMAS) Slide 31 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 Slide 32 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 Mlleri, m. tarsalis sup. Mlleri + inf. Slide 33 External muscles of eyeball Slide 34 Jakub tefela,Svaly hlavy a krku, 201234 Slide 35 Movements of eyeball Slide 36 Anulus tendineus communis Zinni inside: n. III n. VI n. nasociliaris n. II + AO outside: n. IV n. frontalis n. lacrimalis v. ophthalmica superior Slide 37 MUSLCES OF THE NECK Slide 38 corpus cornua majora cornua minora Os hyoideum Slide 39 39Jakub tefela,Svaly hlavy a krku, 2012 Slide 40 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) Slide 41 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 Slide 42 Slide 43 Krn asa Pterygium colli Turners sy Slide 44 Slide 45 M. sternocleidomastoideus origin: 2 parts pars sternali et clavicularis fossa supraclavicularis minor (projection of cupula pleurae) pon: processus mastoideus + linea nuchalis superior n.XI + fibers from C2-4 movements in articulatio atlantooccipitalis Slide 46 M. sternocleidomastoideus function bilateral: 1.posterior part retroflexion 2.anterior part anteflexion unilateral: 1.lateroflexion to the same side 2.rotation to the opposite side Slide 47 Musculi infrahyoidei m. sternohyoideus m. sternothyroideus m. thyrohyoideus C1 m. omohyoideus venter superior + inferior innervation: ansa cervicalis profunda C1-C3 function: stabilization of larynx Slide 48 Torticollis Slide 49 Slide 50 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) Slide 51 Slide 52 Slide 53 Slide 54 Slide 55 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 Slide 56 Slide 57 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 Slide 58 Jakub tefela,Svaly hlavy a krku, 201258 Slide 59 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 Slide 60 Jakub tefela,Svaly hlavy a krku, 201260 Slide 61 FASCIA CERVICALIS 3 layers lamina superficialis lamina pretrachealis vagina carotica lamina prevertebralis Slide 62 Jakub tefela,Svaly hlavy a krku, 201262 Slide 63 spatium previscerale spatium paraviscerale spacium retroviscerale continuous with: cranially: spatium parapharyngeum spatium retropharyngeum caudally: spatium suprasternale mediastinum superius Spaces in neck Slide 64 Slide 65 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 Slide 66 Slide 67 Slide 68