Purpose The purpose of this study was to assess the effects of vocal function exercises (VFEs) on the physiologic range of the operatic voice. The primary outcome measure was total voice range profile (VRP) area. Method Forty graduate-level opera majors were randomly assigned to experimental (training with VFE + vocal hygiene) and control (vocal hygiene only) groups. All participants underwent an acoustic voice assessment (modified VRP) pre and post 10 weeks of the assigned intervention. VRP total area was calculated and compared between and within the two groups. The total VRP area was subsequently divided into three area thirds (low, medium, and high). Results A significant improvement (increase) was observed in the VFE group for the primary outcome measure of VRP area when pre- and postvoice conditions were compared for total area, upper third, and middle third. No significant improvement was found in the vocal hygiene-only group. Conclusion Vocal training with VFEs over a 10-week period demonstrated positive effects on physiologic voice range as evidenced by an increase in the total VRP area and therefore may enhance the potential of those who already have professional voice training.
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| http://dx.doi.org/10.1044/2020_JSLHR-19-00362 | DOI Listing |
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