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Vocal Dose for Rhythm-Based Indoor Cycling Instructors: With and Without Amplification
Lauren H Allison1, Mary J Sandage1, Aurora J Weaver1
1Auburn University, Auburn, Alabama.
Summary
Indoor cycling instructors experienced less vocal effort when using amplification. However, amplification unexpectedly increased vocal fold distance dose, highlighting unique occupational voice demands.
Area of Science:
- Occupational voice use
- Speech science
- Exercise physiology
Background:
- Indoor cycling instructors face high vocal demands.
- Understanding vocal load is crucial for preventing voice disorders.
Purpose of the Study:
- To assess vocal dose and perceived effort in indoor cycling instructors.
- To compare voice use with and without amplification.
Main Methods:
- Within-participant repeated measures design with eight instructors.
- Objective vocal dosimetry and subjective phonatory effort measures.
- Ecologically valid amplified and unamplified cycling classes.
Main Results:
- Significantly lower perceived phonatory effort with amplification (P = 0.005).
- No significant difference in vocal distance dose; amplification unexpectedly increased it.
- Average voice intensity for females: 99.6 dB (amplified) vs. 96.1 dB (unamplified).
Conclusions:
- Amplification may reduce perceived vocal effort for instructors.
- Unexpected increases in vocal distance dose with amplification warrant further investigation.
- Occupational voice requirements are specific and not generalizable across professions.
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