Phonation (Forces and Muscles)

• Laryngeal forces (passive and active)
• Intrinsic muscles of the larynx
• Extrinsic muscles of the larynx
• Supplementary muscles
• Movements of the larynx

Objectives

• Describe the passive and active forces involved in laryngeal movements
• Identify laryngeal muscles on diagrams and from description
• Describe the movements that the larynx can make
• Explain how intrinsic, extrinsic, and supplementary muscles participate in laryngeal movements

Resources

• Laryngeal structures
• Master Muscle List
• Journey of the Voice - part 2
• Movie of Arytenoid Movement in Breathing
• Movie of Vocal Fold Vibration