ArticlePhysical therapy research2020
Effect of muscle strengthening on peripheral facial palsy: A randomized controlled trial.
Article in Physical therapy research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Time-Continuous Prognostic Mapping of Bell's Palsy Using Yanagihara Scores and Electroneurography.The Laryngoscope · 2026Article
- Evidence summary: facial nerve rehabilitationtraining management for patients with peripheral facial paralysis.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026Review
- Article
- Selective zygomaticus muscle activation by ball electrodes in synkinetically reinnervated patients after facial paralysis.Frontiers in rehabilitation sciences · 2023Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo evaluate the effect of muscle strengthening intervention in peripheral facial palsy (PFP).
methodsA randomized controlled trial was conducted at five hospitals. Fifty-one subjects with PFP who showed a response of less than 20% on electroneurography (ENoG) were enrolled. Subjects in a muscle-strengthening-intervention group (MS Group) underwent a selective muscle contraction intervention (SMCI). Subjects in another group not receiving muscle strengthening intervention (Non-MS Group). Both groups underwent three interventions: Prohibition of maximum effort movements, Stretching of the affected facial muscles, and Mirror biofeedback therapy. The outcomes were measured by the Sunnybrook Facial Grading System (FGS) at 6 months after onset (primary endpoint) and at 12 months after onset (secondary endpoint). The subjects in the MS Group and Non-MS Group were further divided into subgroups showing ENoG responses of 10% or less and ENoG responses of over 10%, as a sub-analysis.
resultsNo significant differences between the MS Group and Non-MS Group at either the primary endpoint or secondary endpoint. Among the subjects in the treatment group with an ENoG response of over 10% at the primary endpoint, the FGS Composite Score and FGS Voluntary Movement score were both significantly higher in the MS Group than in Non-MS Group. Although the MS Group had a significantly lower FGS Resting Symmetry Score, there was no significant difference between the two groups in the FGS Synkinesis Score.
conclusionsSMCI improved paralysis in subjects exhibiting an ENoG response of over 10% within the 6 months from onset without any deterioration of synkinesis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.