lecture 12 Flashcards
Which two bones come together to form the zygomatic arch?
zygomatic bone and temporal bone.
What is the innervation of masseter?
CN V- trigeminal
What is the insertion of temporalis?
coronoid process
- What is the origin of the pterygoids?
sphenoid bone
What is the action of zygomaticus?
lifts corners of mouth upwards and outwards (smiling)
What is the action of platysma?
draws moth corners downwards and backwards (scared)
What is the innervation of the muscles of facial expression?
CN VII (7)
Two muscles involved in the action of smiling are?
risorius and zygomaticus
What is the innervation of the intrinsic muscles of the tongue?
hypoglossal nerve (CN 12)
What is the best resting position of the tongue?
on hard palate, behind front teeth, lips should be closed
What is the main intrinsic muscle of the tongue responsible for positioning of the tongue?
genioglossus
Which group of muscles elevate the hyoid bone and are involved in swallowing?
suprahyoid muslces
Sternothyroid muscle is part of which group of muscles attached to the hyoid bone?
infrahyoid muscles
Which is the strongest muscle in the human body?
masseter
This PT modality measure the activity in the motor units (nerve) and can be used to up-train or down-train muscles causing TMJ problems?
SEMG suface EMG
main muscle of tongue
genioglossus
4 muscles that move the tongue
genioglossus, hyoglossus, styloglossus and the palatoglossus
hyoid muscles
neck muscles (4 infrahyoid, 4 suprahyoid)
facial muscles innervations
facial nerve
