1 — Cricothyroid; 2 — Oblique arytenoid; Transverse arytenoid; 3 — Lateral crico-arytenoid; 4 — Posterior crico-arytenoid
1 — Cricothyroid; 2 — Oblique arytenoid; Transverse arytenoid; 3 — Lateral crico-arytenoid; 4 — Posterior crico-arytenoid