Absolutely useless! NO TRANSLATION INTO A USEABLE PROTOCOL! You're all fired!
The goal is to cure spasticity, not just reduce it temporarily! Or don't you believe in solving stroke survivor problems?
Unilateral Vibration Stimulation in Patients With Post-stroke Spasticity Suppresses Muscle Tonus in the Contralateral Homologous Muscles
Review began 07/21/2025
Review ended 08/24/2025
Published 08/31/2025
© Copyright 2025
Kunoh et al. This is an open access article
distributed under the terms of the Creative
Commons Attribution License CC-BY 4.0.,
which permits unrestricted use, distribution,
and reproduction in any medium, provided
the original author and source are credited.
DOI: 10.7759/cureus.91360
Unilateral Vibration Stimulation in Patients With
Post-stroke Spasticity Suppresses Muscle Tonus in
the Contralateral Homologous Muscles
Kenta Kunoh , Takahiro Takenaka , Daisuke Kimura , Toshiaki Suzuki
1. Department of Health Sciences, Graduate School of Health Sciences, Kansai University of Health Sciences, Osaka, JPN
2. Department of Rehabilitation, Yamada Hospital, Gifu, JPN 3. Department of Rehabilitation, Heisei College of Health
Sciences, Gifu, JPN 4. Division of Occupational Therapy, Naragakuen University, Nara, JPN
Corresponding author: Kenta Kunoh, shotwinbaseball0624@gmail.com
Abstract
Objective:
This study aimed to examine whether unilateral vibration stimulation can reduce spasticity
during the stimulation period in post-stroke patients.
Methods:
Ten post-stroke patients with increased muscle tone in the flexor carpi radialis (FCR) participated.
Vibration stimulation at 80 Hz was applied to the paretic-side FCR. The H-reflex and muscle stiffness were assessed before, during, and immediately after stimulation. Changes in H-reflex parameters were analyzed alongside muscle stiffness using the Wilcoxon signed-rank test.
Results:
H-reflex measurements showed a temporary reduction in spasticity during stimulation. However,
no significant change was observed in muscle stiffness.
Conclusion:
Unilateral vibration stimulation may offer immediate neurophysiological suppression of
spasticity during application, although it does not appear to affect muscle stiffness in the short term. These
findings suggest potential for use as a complementary intervention in stroke rehabilitation
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