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Associations between Posture, Voice, and Dysphonia: A Systematic Review
Ricardo Cardoso1, José Lumini-Oliveira2, Rute F Meneses1
1Department of Physical Medicine and Rehabilitation, School-Hospital of Fernando Pessoa University, Porto, Portugal; Fernando Pessoa University, Porto, Portugal; Transdisciplinary Center of Consciousness Studies of Fernando Pessoa University, FP-B2S-Behaviour and Social Sciences Research Center of Fernando Pessoa University, Porto, Portugal.
Journal of Voice : Official Journal of the Voice Foundation
|October 17, 2017
Summary
Good posture is essential for voice production. While the link between posture and dysphonia (voice disorder) appears complex, effective posture facilitates laryngeal movement and improves vocal efficiency.
Area of Science:
- Speech and Hearing Sciences
- Biomechanical Engineering
- Clinical Anatomy
Background:
- Posture significantly influences physiological functions, including respiration and phonation.
- Understanding the interplay between posture, voice production, and dysphonia is crucial for clinical practice.
Purpose of the Study:
- To systematically review and synthesize existing research on the associations between posture, voice, and dysphonia.
- To identify research gaps and inform future studies and clinical interventions.
Main Methods:
- A systematic review was conducted, adhering to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.
- Searches were performed across multiple databases (PubMed/Medline, SciELO, etc.) using keywords related to posture, voice, and dysphonia.
- Twelve high-quality studies meeting specific inclusion criteria were analyzed using a modified Newcastle-Ottawa Scale (NOS).
Main Results:
- A correct posture is fundamental for efficient voice production.
- The relationship between posture and dysphonia was found to be complex and seemingly contradictory in the reviewed literature.
- Twelve studies of high methodological quality were included in the review.
Conclusions:
- Effective posture enables better muscle tension regulation, facilitating free laryngeal movement.
- Optimal posture supports unimpeded vocal fold vibration, contributing positively to voice production.
- Further research is warranted to clarify the nuanced relationship between posture and dysphonia.