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Larynx (Intrinsic muscles of larynx (Cricothyroid muscle (Pars recta…
Larynx
Intrinsic muscles of larynx
Thyroarytenoid muscle
Thyrovocalis
Medial, tensor
Thryomuscularis
Lateral, adducts, relaxes
Cricothyroid muscle
Primary tensor of vocal folds
Pars recta
Rocks thyroid inferiorly
Pars oblique
Glides thyroid anteriorly
Primary change pitch
Lateral Cricoarytenoid muscle
O: Superior lateral surface of cricoid cartilage
I: Muscular process of arytenoid cartilage
Medial compression vocal folds, glottal adductor
Posterior cricoarytenoid muscle
Posterior cricoid lamina
Posterior muscular process of arytenoid cartilage
ONLY ABDUCTOR
Interarytenoids
Superficial
Medial compression of vocal folds via approx of arytenoid cartilages
Transverse and oblique