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Combined rTMS and mirror therapy significantly improves upper limb function in patients with strokeCombined magnetic stimulation and mirror therapy improve stroke recovery

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Key Takeaway
Consider combined rTMS and mirror therapy to improve upper limb function and motor scores following stroke.

This meta-analysis evaluated the efficacy of combining repetitive transcranial magnetic stimulation (rTMS) and mirror therapy (MT) for patients with stroke. The analysis included a total of 402 patients to assess various motor and functional outcomes.

Key findings indicate significant improvements in primary motor assessments. Specifically, the Fugl-Meyer Assessment for Upper Extremity (FMA-UE) showed a significant improvement with an effect size of SMD=0.92 (95% CI: 0.43-1.41, p=0.0002). The Box and Block Test (BBT) also showed significant improvement with an effect size of SMD=1.09 (95% CI: 0.49-1.68, p=0.0003). Other outcomes, including pinch grip, hand grip, functional performance, motor impairment, and muscle tone, all showed improvements, though specific effect sizes and p-values were not reported for these metrics.

The authors note that the most effective treatment parameters remain unclear. Due to these limitations and the use of GRADE to evaluate certainty, results should be interpreted with caution. The findings suggest potential benefits for enhancing upper limb function post-stroke, but further high-quality studies are warranted to establish optimal protocols.

How this fits prior evidence

This meta-analysis extends existing evidence regarding non-pharmacological interventions for post-stroke recovery. It specifically builds upon findings that warm needle moxibustion improves Fugl-Meyer Assessment scores and that transcutaneous auricular vagus nerve stimulation shows potential for stroke rehabilitation. While this study confirms improvements in upper limb function using combined rTMS and mirror therapy, the specific parameters for optimal treatment remain unclear.

Recovering movement after a stroke is a long and often difficult journey. For many patients, regaining the ability to use their hands and arms is a primary goal for regaining independence. New research looks at a specific combination of treatments to help jumpstart this process.

Researchers looked at data from 402 patients who experienced a stroke. They combined repetitive transcranial magnetic stimulation (rTMS)—which uses magnetic fields to stimulate nerve activity—with mirror therapy, a technique where patients watch the movement of one limb reflected in a mirror. The results showed significant improvements in several areas, including upper limb movement, hand grip strength, and muscle tone.

While the results are promising for improving upper limb function, there are still some unknowns. The specific settings and parameters used for the most effective treatment are not yet clear. Because of these gaps, the results should be viewed with caution as more high-quality studies are needed to confirm the best way to use these tools.

What this means for you:
Combining magnetic brain stimulation and mirror therapy can improve hand strength and movement after a stroke.

Common questions

What is mirror therapy and how does it help?

Mirror therapy involves a patient watching the movement of one limb reflected in a mirror. When combined with repetitive transcranial magnetic stimulation (rTMS), it aims to improve upper limb function, muscle tone, and motor impairment for those recovering from a stroke.

Can this treatment improve hand grip strength?

Yes, the data shows that the combination of rTMS and mirror therapy led to improvements in pinch grip and hand grip. These improvements help with functional performance after a stroke.

Is this a proven treatment for everyone?

The results show significant improvements in movement and muscle tone for the 402 patients studied. However, the exact settings for the most effective treatment are still unclear, so results should be interpreted with caution.

Study Details

Study typeMeta analysis
Sample sizen = 402
EvidenceLevel 1
PublishedSep 2026
View Original Abstract ↓
Upper limb impairments are among the most prevalent consequences of stroke. Recently, repetitive transcranial magnetic stimulation (rTMS) and mirror therapy (MT) have been used in stroke rehabilitation. This systematic review aims to examine the effects of combining rTMS and MT on the upper limb in patients with stroke and define the optimal treatment parameters, if possible. "PubMed, MEDLINE, Scopus, CINAHL, PEDro, EMBASE, REHABDATA, and Web of Science" were searched until March 2026. Randomized controlled trials evaluating the effectiveness of combined rTMS and MT on the upper limb poststroke were included. The Cochrane Risk of Bias 2 (RoB 2) and the GRADE were employed to evaluate risk of bias and certainty of evidence, respectively. Meta-analysis and subgroup analysis were performed. Seven RCTs (402 participants) met the inclusion criteria. Significant improvements in the Fugl-Meyer Assessment for Upper Extremity (FMA-UE) (SMD = 0.92, 95% CI: 0.43-1.41, p = 0.0002) and the Box and Block Test (BBT) (SMD = 1.09, 95% CI: 0.49-1.68, p = 0.0003) were reported. Other outcomes demonstrated improvements in pinch grip, hand grip, functional performance, motor impairment, and muscle tone. The preliminary findings suggest that combining rTMS and MT has potential effects on enhancing upper limb function poststroke; however, these results should be interpreted with caution. The most effective treatment parameters remain unclear. Further high-quality studies are warranted.
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