Home›Rheumatology› EMG-based bioelectrical feedback improves Fugl-Meyer scores by 9.50 points in post-stroke hemiplegia
EMG-based bioelectrical feedback improves Fugl-Meyer scores by 9.50 points in post-stroke hemiplegiaBioelectrical Feedback Improves Motor Function After Stroke
Frontiers in MedicinePublished June 18, 2026DOI ↗Editorial oversight: Dr. Amelia Tan, PhD · Internal Medicine & Chronic Disease
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Key Takeaway
Consider EMG-based bioelectrical feedback to improve motor function and range of motion in post-stroke hemiplegia.
This systematic review and meta-analysis evaluated the efficacy of EMG-based bioelectrical feedback compared to conventional therapy for patients with post-stroke hemiplegia. The analysis included 549 patients across 8 studies, focusing on motor function and neurophysiological outcomes.
The synthesis showed significant improvements in several primary and secondary outcomes. Specifically, Fugl-Meyer Assessment scores improved by a mean difference of 9.50 (95% CI, 3.41, 15.60; p = 0.002). Activities of Daily Living scores also improved (MD = 8.80; 95% CI, 3.67, 13.94; p = 0.0008), while Fugl-Meyer motor subscale scores showed a mean difference of 6.83 (95% CI, 1.52, 12.14; p = 0.01).
Additional neurophysiological improvements included an increase in EMG amplitude (MD = 0.03 mV; p = 0.03) and active range of motion (MD = 4.74°; p = 0.0007). Furthermore, the odds ratio for complications was reported as 0.26 (95% CI, 0.14, 0.49), suggesting a reduction in adverse events compared to conventional therapy.
The findings suggest that bioelectrical feedback may be an effective component of rehabilitation programs to improve motor function and neurophysiological outcomes. However, results are based on a mix of randomized and non-randomized trials, which should be considered when interpreting the strength of these associations.
How this fits prior evidence
This meta-analysis addresses gaps in stroke rehabilitation by providing evidence for bioelectrical feedback as an intervention for hemiplegia. It complements existing findings regarding PINGS as an effective mobile health intervention to improve blood pressure control and rTMS interventions that significantly reduce modified Ashworth Scale scores for post-stroke limb spasticity.
This meta-analysis looked at 549 patients who experienced hemiplegia, which is weakness or paralysis on one side of the body, following a stroke. Researchers compared a specific treatment called EMG-based bioelectrical feedback against conventional therapy methods.
The results showed that patients using bioelectrical feedback had better scores in motor function and activities of daily living compared to those receiving standard care. Specifically, the study noted improvements in muscle activity levels and the range of motion for limbs. The data also indicated a reduction in complications during treatment.
Because this is a meta-analysis based on several different studies, it shows a link between bioelectrical feedback and better physical outcomes. While the results are promising for rehabilitation, individual results can vary based on personal health factors. Patients should talk to their doctors to see if this specific type of therapy fits their recovery plan.
What this means for you:
Bioelectrical feedback may improve motor skills and daily activities for people recovering from a stroke.
Common questions
What is EMG-based bioelectrical feedback?
It is a type of therapy used to help people regain movement after a stroke. In this study, it was compared to conventional therapy. The data showed that patients using this method saw improvements in motor function scores and their ability to perform daily activities.
How does it help with physical movement?
The study found that bioelectrical feedback led to an increase in EMG amplitude and a larger active range of motion. These results suggest the treatment helps patients move their limbs more effectively than standard therapy alone.
Is this treatment safe for stroke patients?
The study reported a reduction in complications for those using bioelectrical feedback compared to conventional therapy. However, you should always consult with a medical professional to determine the safest and most effective treatment plan for your specific needs.
BackgroundStroke is a leading cause of long-term disability, with hemiplegia affecting approximately 80% of survivors. Conventional rehabilitation shows limited effectiveness, and electromyographic (EMG)–based bioelectrical feedback has emerged as a promising adjunctive therapy.MethodsFollowing PRISMA 2020 guidelines, the Cochrane Library, PubMed, EMbase, Web of Science, and CNKI were searched from 1 January 2010 to 31 March 2025. Two researchers independently screened controlled clinical studies (randomized or non-randomized) evaluating EMG-based bioelectrical feedback for post-stroke hemiplegia. Risk of bias was assessed using the Cochrane Risk of Bias 2 (RoB 2) tool for randomized trials and ROBINS-I for non-randomized studies, with analyses performed in RevMan 5.3. For random-effects analyses with at least four contributing studies, 95% prediction intervals (PIs) were reported alongside 95% confidence intervals.ResultsEight studies comprising 549 patients (275 intervention, 274 control) were included. Bioelectrical feedback significantly improved total Fugl-Meyer Assessment scores [MD = 9.50, 95% CI (3.41, 15.60), p = 0.002], Activities of Daily Living scores [MD = 8.80, 95% CI (3.67, 13.94), p = 0.0008], and Fugl-Meyer motor subscale scores [MD = 6.83, 95% CI (1.52, 12.14), p = 0.01] versus conventional therapy. Neurophysiological outcomes also improved, with greater EMG amplitude [MD = 0.03 mV, 95% CI (0.00, 0.06), p = 0.03] and larger active range of motion [MD = 4.74°, 95% CI (1.99, 7.50), p = 0.0007]. Complications were significantly reduced [OR = 0.26, 95% CI (0.14, 0.49), p
