Muscles of Larynx

My notes are helpful for anyone studying this subject, whether in the US, Australia, Europe, India, or anywhere else.

This note covers the following topics on Muscles of Larynx:

• Classification of muscles of Larynx
• Intrinsic muscles - Origin, Insertion, Nerve supply, Action1) Acting on Vocal cords - Posterior Cricoarytenoid, Lateral Cricoarytenoid, Transverse arytenoid, Oblique arytenoid, Vocalis, Cricothyroid 2) Acting on Laryngeal Inlet – Aryepiglotticus, Thyroepiglotticus
• Extrinsic muscles - Origin, Insertion, Nerve supply, Action1) Infrahyoid group – Thyrohyoid, Sternothyroid, Sternohyoid 2) Suprahyoid group – Mylohyoid, Geniohyoid, Stylohyoid, digastric, Stylopharyngeus, Palatopharyngeus, Salpingopharyngeus

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