Instrinsic Tongue Muscle Flashcards
Where are the origins and insertions for the Instrinsic Tongue Muscles?
Within the tongue
What are the functions for the Instrinsic Tongue Muscles?
- CHANGES THE SHAPE OF TONGUE
- speech
- swallowing
- mastication
What do we know about the Intrinsic Tongue Muscles?
they are named for their orientations and how they are laying on the tongue
Name the 4 Instrinsic Tongue Muscles
- Superior Longitudinal Muscle
- Transverse Muscle
- Vertical Muscle
- Inferior Longitudinal Muscle
Where is the Superior Longitudinal Muscle?
most superficial
What is the action of the Superior longitudinal muscle?
shortens and thickens the tongue
Where is the Transverse Muscle?
just deep to superior longitudinal muscle
What is the action of Transverse Muscle?
lengthens and narrows the tongue
Where is the Vertical Muscle?
deep to transverse muscle
What is the action of the Vertical Muscle?
lengthens and narrows the tongue
Where is the inferior longitudinal muscle?
deepest of the instrinsic muscles
What is the action of the Inferior longitudinal muscle?
shortens and thickens the tongue
What is the same action that the Vertical and Transverse Muscle do?
Lengthens and narrow the tongue
What is the same actin that the Superior and Inferior Longitudinal Muscles do?
shortens and thickens the tongue