In modern societies about one third of the labor force are working in professions in which
voice is the primary tool. Voice problems are common in general, but they are even more …

This article reviews current literature on vocal fatigue and considers its potential relationship
to vocal hyperfunction. Vocal fatigue is defined by its symptoms. Specifically, the voice user …

A well-functioning voice is an essential tool for one third of the labour force. Vocal demands
vary to a great extent between the different voice and speech professions. In professions …

To measure the exposure to self-induced tissue vibration in speech, three vocal doses were
defined and described: distance dose, which accumulates the distance that tissue particles …

This study investigated the relation of symptoms of vocal fatigue to acoustic variables
reflecting type of voice production and the effects of vocal loading. Seventy-nine female …

There is a vast body of literature on the causes, prevalence, implications, and issues of vocal
dysfunction in teachers. However, the educational effect of teacher vocal impairment is …

Vocal symptoms and voice disorders among teachers were studied in 1988 using a
questionnaire designed to obtain information on six vocal symptoms that had appeared …

Preschool teachers are at risk for developing voice problems such as vocal fatigue and
vocal nodules. The purpose of this report was to study preschool teachers' voice use during …

Objectives The primary objective of this study was to examine how a group of Swedish
teachers rate aspects of their working environment that can be presumed to have an impact …

The purpose of this investigation was to study voice changes during a working day. The
subjects consisted of 33 female primary and secondary schoolteachers who recorded their …