6. MASTICATORY MUSCLES n. V3 – n. MANDIBULARIS
derivates of 1st pharyngeal arch
m. temporalis
m. masseter
m. pterygoideus medialis
m. pterygoideus lateralis

7. Lower jaw movements elevation (elevatio) depression (depressio)
protraction / propulsion (protractio / propulsio)
retraction / retropulsion (retractio / retropulsio)
lateropulsion (lateropulsio)

8. m. temporalis
m. masseter

9. Jakub Štefela,Svaly hlavy a krku, 20129

10. m. pterygoideus lateralis
m. pterygoideus medialis

11. m. pterygoideus lateralis
m. pterygoideus medialis

12. Jakub Štefela,Svaly hlavy a krku, 2012

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

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

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

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

18. Modiolus anguli oris
fibro-muscular node connecting the insertions of facial muscles
serve as the „hub“ and forms a dimple on the cheek

19. Galea aponeurotica Epicranial sponeurosis
tough aponeurosis covering the vertex of skull

20. Scalpation

21. Subgalear hematoma

22. m. auricularis anterior m. auricularis superior
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)

23. m. buccinator

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

28. Fasciae of head fascia temporalis fascia parotidea fascia masseterica
fascia buccopharyngea
lamina interpterygoidea
corpus adiposum buccae Bichati

29. Corpus adiposum buccae Bichati

30. Superficial musculo-aponeurotic system (SMAS)
continuous fibro-musuclar layer connecting the facial muscles and filling spaces between and around them

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

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 Mülleri, m. tarsalis sup. Mülleri + inf.

33. External muscles of eyeball

34. Jakub Štefela,Svaly hlavy a krku, 201234

35. Movements of eyeball

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

37. MUSLCES OF THE NECK

38. Os hyoideum
corpus
cornua majora
cornua minora

39. Jakub Štefela,Svaly hlavy a krku, 201239 39

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)

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

43. Krční řasa – Pterygium colli
Turners‘ sy

45. 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

46. M. sternocleidomastoideus
function
bilateral:
posterior part – retroflexion
anterior part – anteflexion
unilateral:
lateroflexion to the same side
rotation to the opposite side

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

48. Torticollis

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)

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

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

58. Jakub Štefela,Svaly hlavy a krku, 201258

59. Triangles of neck regio colli anterior regio colli lateralis
trigonum submandibulare
trigonum submentale
trigonum caroticum Malgaignei
trigonum omotracheale = musculare
regio colli lateralis
trigonum omoclaviculare
trigonum omotrapezium
fossa supraclavicularis minor
fissura scalenorum
trigonum scalenovertebrale

60. Jakub Štefela,Svaly hlavy a krku, 201260

61. FASCIA CERVICALIS – 3 layers
lamina superficialis
lamina pretrachealis
vagina carotica
lamina prevertebralis

62. Jakub Štefela,Svaly hlavy a krku, 201262

63. Spaces in neck spatium previscerale spatium paraviscerale
spacium retroviscerale
continuous with:
cranially: spatium parapharyngeum
spatium retropharyngeum
caudally: spatium suprasternale
mediastinum superius

64. Spaces in neck

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