Laryngeal Muscles Flashcards
Cricothyroid Origin
Anterolateral part of cricoid cartilage
Cricothyroid Insertion
Inferior horn of thyroid cartilage
Cricothyroid Action
Stretch and tense vocal ligament
Cricothyroid innervation *
External Laryngeal N.
Thyro-Arytenoid Origin
Angle of thyroid laminae and cricothyroid ligament
Thyro-Arytenoid Insertion
Anterolateral surface of Arytenoid Cartilage
Thyro-Arytenoid Action
Relax Vocal Ligament
Posterior Crico-Arytenoid Origin
Posterior surface of lamina and cricoid cartilage
Posterior Crico-Arytenoid Insertion
Vocal Process of Arytenoid cartilage
Posterior Crico-Arytenoid Action
ABduct the vocal folds
Lateral Crico-Arytenoid Origin
Arch of Cricoid Cartilage
Lateral Crico-Arytenoid Insertion
Vocal Process of Arytenoid Cartilage
Lateral Crico-Arytenoid Action
ADduct the vocal folds
Transverse and Oblique Arytenoid Origin/Insertion
From one arytenoid cartilage to the other
Transverse and Oblique Arytenoid Action
ADduct Arytenoid Cartilages