ThyroidGlandandLarynx
1
Plate81
Cricothyroid joint
(pivot point)
Action of cricothyroid muscles
Lengthening (increasing tension)
of vocal ligaments
Action of lateral crico-arytenoid muscles
Adduction of vocal ligaments
Action of posterior crico-arytenoid muscles
Abduction of vocal ligaments
Action of transverse and oblique arytenoid muscles
Adduction of vocal ligaments
Action of vocalis and thyro-arytenoid muscles
Shortening (relaxation) of vocal ligaments
ActionofIntrinsicMusclesofLarynx
See±also±
Plates 79, 80, 82
±
