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Music to Our Ears: Are Dancers at Risk for High Sound Level Exposure?

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Dancers, especially in ballet, modern, and Irish hard shoe styles, face risks of noise-induced hearing loss (NIHL) from high sound pressure levels (SPLs) in dance classes. Irish soft shoe dance poses minimal risk.

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Area of Science:

  • Occupational Health
  • Performing Arts Medicine
  • Audiology

Background:

  • Noise-induced hearing loss (NIHL) is a significant risk in performing arts, primarily studied in musicians.
  • Dancers' exposure to sound pressure levels (SPLs) and associated NIHL risks remain less understood.
  • Understanding sound exposure in dance environments is crucial for preventative health strategies.

Purpose of the Study:

  • To quantify sound exposure levels experienced by dancers in various dance class styles.
  • To identify specific dance genres and environments with elevated risks for NIHL.
  • To inform recommendations for hearing protection and intervention for dancers.

Main Methods:

  • Sound levels were measured in 12 dance classes (ballet, modern, Irish soft/hard shoe) across 8 studios.
  • The NIOSH Sound Level Meter (SLM) app on iOS with an external microphone was utilized.
  • A total of 114 measurements were collected, with a minimum of five recordings per class on different days.

Main Results:

  • 20.2% of all recordings exceeded NIOSH recommended limits (100% daily dose and 85 dBA LAeq).
  • Irish soft shoe dance showed minimal sound exposure risk.
  • Ballet (53.25%), Irish hard shoe (90.9%), and modern (68.24%) dance classes presented minimal to moderate NIHL risk.

Conclusions:

  • Dancers in ballet, modern, and Irish hard shoe styles are at risk for NIHL due to high SPLs.
  • Variability in noise dose within classes necessitates multiple sound measurements for accurate exposure assessment.
  • Interventions like audiometric testing, noise controls, and hearing protection are recommended for at-risk dancers.