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(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

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Action of Intrinsic Muscles of Larynx

See also Plates 90, 91, 92

Cricothyroid joint

(pivot point)

Action of cricothyroid muscles

Lengthening (increasing tension)

of vocal ligaments

Action of posterior cricoarytenoid muscles

Abduction of vocal ligaments

Action of lateral cricoarytenoid muscles

Adduction of vocal ligaments

Action of transverse and oblique arytenoid muscles

Adduction of vocal ligaments

Action of vocalis and thyroarytenoid muscles

Shortening (relaxation) of vocal ligaments

Plate 93

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Thyroid Gland and Larynx

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