Movements of TMJ Flashcards
1
Q
What muscles perform protrusion?
A
Lat. Pterygoid
helped by med.
2
Q
What muscles perform retraction?
A
Post. fibres Temporalis
Digastric
Deep Masseter
Geniohyoid
3
Q
What muscles elevate?
A
Temporalis
Masseter
Med. Pterygoid
4
Q
What muscles depress?
A
(Gravity)
Mylohyoid
Geniohyoid
Digastric
5
Q
What movements are upper cavity?
A
Protrusion & Retraction
6
Q
What movements are lower cavity?
A
Elevation & Depression