ICF illustration library English version

BODY FUNCTIONS

CHAPTER 3 VOICE AND SPEECH FUNCTIONS b310 Voice functions Functions of the production of various sounds by the passage of air through the larynx. inclusion functions of production and quality of voice; functions of phonation, pitch, loudness and other qualities of voice; impairments such as aphonia, dysphonia, hoarseness, hypernasality and hyponasality exclusion mental functions of language (b167); articulation functions (b320)

b3100	b3101	b3108	b3109
Production of voice	Quality of voice	Voice functions, other specified	Voice functions, unspecified
Functions of the production of sound made through coordination of the larynx and surrounding muscles with the respiratory system. inclusion functions of phonation, loudness; impairment of aphonia	Functions of the production of characteristics of voice including pitch, resonance and other features. inclusion functions of high or low pitch; impairments such as hypernasality, hyponasality, dysphonia, hoarseness or harshness

Illustrations copyright by TAI TAKAHASHI, International University of Health and Welfare.