Which muscle is an abductor of the vocal cords?: (A) Transverse arytenoid, (B) Oblique arytenoid, (C) Lateral thyroarytenoid, (D) Posterior Cricoarytenoid
Answer is D. movement and muscles 1.Elevation of larynx: thyrohyoid.mylohyoid 2. Depression of larynx: .sternothyroid, sternohyoid. 3. Opening inlet of larynx: thyroepiglottic. 4. Closing inlet of larynx: aryepiglottic 5. Abductor of vocal cords: posterior cricoarytenoid only 6. Adductor of vocal cords: lateral cricoarytenoid transverse and oblique arytenoids Ref BDC volume 3, 6th edition pg 258