Hard to remember muscles of the head and neck Flashcards
what is the yellow muscle
geniohyoid
what is the blue muscle
genioglossus- main muscle of tongue
what is the green muscle
hyoglossus
what is the purple muscle
styloglossus
whats the light blue muscle
1. what group does it belong to
- action
- innervation
geniohyoid
1. suprahyoid
- Actions: Depresses the mandible and elevates the hyoid bone.
- Innervation: C1 nerve roots that run within the hypoglossal nerve.
whats the light orange muscle
1. what group does it belong to
- action
- innervation
digastric
1. suprahyoid
- Actions: Depresses the mandible and elevates the hyoid bone.
- Innervation:
anterior belly-branch of the mandibular nerve
posterior belly- branch of the facial nerve
whats the light green muscle
1. what group does it belong to
- action
- innervation
mylohyoid
1. suprahyoid
- Actions: Elevates the hyoid bone and the floor of the mouth.
- Innervation: branch of the mandibular nerve
whats the yellow muscle
1. what group does it belong to
- actions
- innervation
stylohyoid
1. suprahyoid
- Actions: Initiates a swallowing action by pulling the hyoid bone in a posterior and superior direction.
- Innervation: branch of the facial nerve (CN VII)
whats the grey muscle
thyrohyoid
whats the dark green muscle
1. what muscle group does it belong to
- actions
- innervation
omohyoid
1. infrahyoid
- Actions: Depresses the hyoid bone.
- Innervation: Anterior rami of C1-C3
whats the dark blue muscle
1. what muscle group does it belong to
- actions
- innervation
sternohyoid
1. infrahyoid
- Actions: Depresses the hyoid bone.
- Innervation: Anterior rami of C1-C3
whats the dark red muscle
1. what muscle group does it belong to
- actions
- innervation
sternothyroid
1. infrahyoids
- Actions: Depresses the thyroid cartilage.
- Innervation: Anterior rami of C1-C3
whats the red thing
hyoid bone
whats the pink muscle
styloglossus
what’s the pink muscle
temporalis
whats the light brown muscle
occipital frontalis- occipital portion
whats the light grey muscle
masseter
whats the purple muscle
sternoclydomastoid
whats the dark blue muscle
trapezius
whats the green muscle
obicularis ORIS
oris- ORAL- lips
whats the yellow muscle
buccinator
whats the orange muscle
zygomaticus major
whats the bright red muscle
zygomaticus minor
whats the dark grey muscle
obicularis oculi
whats the black muscle
occipitofrontalis- frontal portion
whats the bright red muscle
lateral pterygoid- sits laterally- across
whats the dark red muscle
medial pterygoid
whats the blue muscle
massater (most has been chopped to see the pterygoids)
whats the pink muscle
temporalis
innervation to the infrahyoids
and what do they all do
ant rami of C1-3
EXCEPT THYROHYOID- Anterior ramus of C1, carried within the hypoglossal nerve
DEPRESS either hyoid of thyroid
4 suprahyoid muscles
stylohyoid
geniohyoid
mylohyoid
digastric
innervation of suprehyoids
- genio- hypoglossal
- mylo-inf alveolar
3a) ant belly of digastric- inf alveolar
3b) post belly of digastric- facial - stylo- facial