Vocal warm-up and cool-down in teachers: a quasi-experimental controlled study.

Purpose: To verify the effects of vocal warm-up (VWU) and vocal cool-down (VCD) strategies on teachers.

Methods: A quasi-experimental exploratory blind-evaluator study with control group that included teachers from a public secondary school. Teachers assigned to the experimental group (EG) performed VW prior to classes and VCD after classes.

Vocal handicap index in popular and erudite professional singers.

Purpose: To compare the voice handicap index of popular and erudite professional singers according to gender, age, professional experience time, and presence or absence of self-reported vocal complaints.

Methods: One hundred thirty-two professional singers, 74 popular and 58 erudite, who responded to a questionnaire with regards to identification, age, gender, professional experience time in singing, musical genres (for popular singers), vocal classification (for erudite singers), presence of self-reported vocal complaints, and the specific protocols for popular (Modern Singing Handicap Index - MSHI) and erudite (Classical Singing Handicap Index - CSHI) singing.

Results: Higher proportion of women and higher incidence of vocal complaints were observed in the popular singers compared with the erudite singers.