Action
|
Muscles
|
Nerve
supply |
Biting
off food with incisors |
Masseter,
temporalis, medial pterygoid
|
V3
|
Tearing
with canines |
Temporalis
|
V3
|
|
| Grinding
movements: |
| |
Masseter,
temporalis, medial pterygoid |
V3 |
|
Digastric,
Mylohyoid, Geniohyoid
|
V3,V3
C1 (Ansa cervicalis)
|
|
Lateral
pterygoid
|
V3
|
|
Temporalis
(posterior fibres)
|
V3
|
|
Alternate
the above, one side to the other
|
V3
|
| |
Storing,
filling and emptying vestibule
|
Buccinator
|
vii
|
| |
| Salivation
from: |
|
|
ix |
|
|
vii |
|
|
vii
|
|
| |
|
|
| Swallowing |
|
|
|
Tip
of tongue pushes bolus posteriorly
|
Genioglossus;
superior longitudinal and transverse intrinsic muscle
|
xii |
Elevate
tongue |
Styloglossus,
palatoglossus |
xii,
Pharyngeal plexus |
Tense
soft palate against passavant's ridge |
Tensor
palati |
V3 |
| Stylopharyngeus |
ix |
| |
Hyoid
moves anteriorly to open pharynx |
Geniohyoid
|
C1 (ansa
cervicalis) |
Larynx
raised |
Thyrohyoid
|
C1(ansa
cervicalis)
|
Epiglottis
tipped down |
Stylopharyngeus
|
ix
|
Stripping
wave on posterior pharyngeal wall |
Palatopharyngeus
|
Pharyngeal
plexus
|
Oropharynx
closed off |
Superior
constrictor
|
Recurrent
laryngeal nerve
|
Larynx
closed |
Aryepiglottis
|
Hyoid
pulled back |
Infrahyoids
|
Ansa
cervicalis (C1,2,3)
|
Bolus
pushed down by supero-inferior wave |
Constrictors
(three) especially cricopharyngeus
|
Pharyngeal
plexus
|
