This study provides normative data for phonatory aerodynamics in adult connected speech. Significant age and gender effects were observed. Laryngoscope, 128:909-914, 2018.

Coordination between the larynx and lower airways is essential for normal voice production. Dyscoordination may contribute to myriad voice problems. The current study provides an overview of respiratory and laryngeal physiology as it relates to normal and disordered voice production, as well as a review of phonatory aerodynamic assessment practices. Finally, the integration of voice and breathing in common voice therapy programs is explored.

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This article is written specifically for recent graduates of Speech-Language Pathology programs or clinicians with little experience in providing voice therapy for the approximately 88 million people in the United States who will suffer from a voice disorder in their lifetime (Cohen, Kim, Roy, Asche, & Courey, 2012; Roy, Merrill, Gray, & Smith, 2005; United States Census Bureau, n.d.). Voice therapy is a patient-centered treatment paradigm used to modify behaviors that cause and/or contribute to voice disorders. A critical need exists to train novice clinicians to perform voice therapy who may, or may not, have had dedicated training in their academic programs and/or Clinical Fellowship (CF). The article is divided into the following sections: (1) Appropriate Referrals for Voice Therapy, (2). A Voice Therapy Framework, (3) Scientific Rationale for Differing Voice Therapy Techniques, and (4) When to Discharge Patients from Voice Therapy.