Laryngeal Musculature #2 Tensors & Relaxer Flashcards
1
Q
What are the names of the intrinsic tensor muscles?
A
- Cricothyroid
- Thyrovocalis
2
Q
What are the 2 main parts of the cricothyroid muscle?
A
- Pars Recta
- Pars Oblique
3
Q
Functions of the Cricothyroid muscle
A
- Primary tensor of the vocal folds
- Responsible for laryngeal adjustments associated with pitch change
4
Q
Action of Pars Recta (Vertical part)
A
- Rotates thyroid cartilage downward
5
Q
Action of Pars Oblique
A
- Rotates thyroid cartilage downward, which stretches the vocal folds
6
Q
3 facts about the thyrovocalis muscle
A
- Part of the thyroarytenoid
- Body of vocal folds
- Action: tenses vocal folds
7
Q
What is the name of the intrinsic laryngeal muscle that is a relaxer?
A
- Thyromuscularis (part of the thyroarytenoid)
- Action: shorten and relax vocal folds.
8
Q
Label the Tensor and Relaxer Intrinsic muscles of the larynx
A
A - Pars Recta - Vertical Part
B - Pars Oblique - Oblique Part
C - Cricothyroid muscle - Both Pars’
D - Thyrovocalis
E - Thyromuscularis
