Evidence map›Paper›PMID 41582177›Full record

Trial reportBMC research notes2026

Cerebellar transcranial static magnetic field stimulation reduces muscle activity during maximum contraction.

Akiyoshi Matsugi, Yohei Okada, Nobuhiko Mori, Koichi Hosomi

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in BMC research notes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Trial
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Akiyoshi MatsugiFaculty of Rehabilitation, Shijonawate Gakuen University, Hojo 5-11-10, Daitou, Osaka, 574-0011, Japan. a-matsugi@reha.shijonawate-gakuen.ac.jp.
Yohei OkadaGraduate School of Health Sciences, Kio University, 4-2-2 Umami-naka, Koryo-cho, Kitakatsuragi-gun, Nara, 635-0832, Japan.
Nobuhiko MoriDepartment of Neurosurgery, The University of Osaka Graduate School of Medicine, Yamadaoka 2-2, Suita, Osaka, 565-0871, Japan.
Koichi HosomiDepartment of Neurosurgery, The University of Osaka Graduate School of Medicine, Yamadaoka 2-2, Suita, Osaka, 565-0871, Japan.

Funding

Japan Society for the Promotion of Science 23K10418
6 · The paper itself

Abstract

backgroundTranscranial static magnetic field stimulation (tSMS) is a noninvasive technique that modulates neuronal excitability without inducing an electrical current. Although triple-magnet tSMS has been shown to suppress cortical excitability in the motor cortex, its effects on cerebellar circuits and motor output remain unclear.

objectiveWe examined whether cerebellar triple-magnet tSMS modulates voluntary muscle activation, cortical excitability, cerebellar output in healthy adults.

methodsIn this single-blind, randomized, sham-controlled study, 44 healthy participants received real- or sham-tSMS over the right cerebellum. Motor output was assessed by electromyography (EMG) of the right first dorsal interosseous muscle during maximum voluntary contraction (MVC). The resting motor threshold (rMT) and cerebellar brain inhibition (CBI) were measured using transcranial magnetic stimulation.

resultsEMG activity during MVC decreased in both groups, with a greater reduction in the real-tSMS group (p = 0.008, r = 0.402). No significant effect of tSMS was observed on the rMT or CBI.

conclusionCerebellar triple-magnet tSMS reduced EMG activity during MVC, suggesting modulation of voluntary motor control. The absence of changes in rMT and CBI suggests that tSMS may act via mechanisms not captured by conventional physiological indices. Trial registration UMIN Clinical Trials Registry UMIN000058833 Date of registration 19 August 2025. Retrospectively registered.

Indexed as

CerebellumMotor CortexMuscle ContractionMuscle, SkeletalTranscranial Magnetic StimulationAdultElectromyographyEvoked Potentials, MotorFemaleHumansMaleSingle-Blind MethodYoung AdultCerebellar brain inhibitionCerebellumMaximum voluntary contractionNoninvasive brain stimulationResting motor thresholdTranscranial static magnetic field stimulation

Identifiers

PMID41582177
PMCPMC12914903

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Registered trials

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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.