Can Lower Music Levels Preserve Workout Intensity? - Summary - MDSpire

Can Lower Music Levels Preserve Workout Intensity?

Despite preserved exertion perceptions, researchers report limited hearing protection use in group fitness classes.

  • By

  • Kathryn Wighton

  • May 22, 2026

  • 4 min

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Objective:

To determine if reducing music volume in group fitness classes affects perceived exercise intensity, specifically hypothesizing that lower volumes would not diminish perceived exertion.

Key Findings:
  • Mean Borg scores were 6.61 in louder classes and 5.96 in quieter classes, with an adjusted difference of -0.66 units.
  • Noninferiority was maintained for reductions up to 4 dBA but not at 5 dBA.
  • 44% of participants attended three to five classes per week; 33% had over 5 years of experience, with a median age of 28 years and 87% female.
Interpretation:

Quieter classes were considered noninferior to louder classes for perceived exertion.

Limitations:
  • Observational design limited causal interpretation and generalizability due to a sample primarily consisting of younger adults from a single studio.
  • Classes were not randomized; instructors were aware of volume changes, which may have influenced participant responses.
Conclusion:

Lowering sound levels in group fitness classes did not diminish perceived workout intensity, supporting the feasibility of creating safer auditory environments without compromising workout effectiveness.

Original Source(s)

Can Lower Music Levels Preserve Workout Intensity?

  • by Kathryn Wighton

  • May 22, 2026

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