A Conceptual Framework and Treatment Taxonomy for Respiratory Lung Volume Training (RLVT).
Soren Y Lowell, Hannah R Edwards, Anya Freedman-Doan and 5 others
PMID 38538410WHAT IT FOUND
A respiratory lung volume training protocol for muscle tension dysphonia is described in detail, but trial evidence that it improves voice is not yet available.
Key findings
01The RLVT protocol was described as six weekly one-hour training sessions that included vocal hygiene information, instruction, repeated speech breathing practice, visual biofeedback, clinician feedback, and homework.
02A six-researcher consensus process reduced 15 candidate targets to four direct targets, with three to seven ingredients for each target.
03The larger randomized controlled trial is ongoing and group outcomes are not reported; exploratory single-subject graphs showed increases in lung volume initiation and termination during training.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The randomized controlled trial testing RLVT is ongoing, so this paper does not report whether it improves voice. The only treatment observations are exploratory graphs from individual participants, not controlled group results. The protocol combines several components, so the paper cannot show which ingredient is responsible. Homework was tracked by self-report, so actual home practice was not verified. The taxonomy consensus came from the same university laboratory, not an independent or multidisciplinary panel.
Declared interests
The authors declared no conflicts of interest.
The easy way to misread this
Do not read this as proof that RLVT improves voice. The trial outcomes are not reported, and the only treatment observations are exploratory graphs from individual participants.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →