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Short-term effect of neck muscle vibration on postural disturbances in stroke patients

Abstract : Balance disorders after stroke have a particularly detrimental influence on recovery of autonomy and walking. The present study is aimed at assessing the effect of proprioceptive stimulation by neck muscle vibration (NMV) on the balance of patients with right hemispheric lesion (RHL) and left hemispheric lesion (LHL). Thirty-one (31) patients (15 RHL and 16 LHL), mean age 61.5 years (±10.6), mean delay 3.1 (±1.6) months after one hemispheric stroke were included in this prospective study. The mean position in mediolateral and anteroposterior plane of the CoP (center of pressure) and the surface were evaluated using a force platform at rest and immediately after 10 min of vibration on the contralesional dorsal neck muscle. NMV decreases the lateral deviation balance induced by the stroke. Twenty patients (64.5 %) experienced a visual illusion of light spot moving toward the side opposite stimulus. These patients showed more improvement by vibration than those without visual illusion. There was an interaction between sensitivity and side of stroke on the effect of NMV. Proprioceptive stimulation by NMV reduces postural asymmetry after stroke. This short-term effect of the vibration is more effective in patients susceptible to visual illusion. This result was consistent with a central effect of NMV on the structures involved in the elaboration of perception of body in space. © 2016, Springer-Verlag Berlin Heidelberg.
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Contributor : Laurent Jonchère <>
Submitted on : Thursday, October 13, 2016 - 10:15:21 AM
Last modification on : Monday, February 15, 2021 - 10:38:09 AM



S. Leplaideur, Emilie Leblong, Karim Jamal, C. Rousseau, A.M. Raillon, et al.. Short-term effect of neck muscle vibration on postural disturbances in stroke patients. Experimental Brain Research, Springer Verlag, 2016, 234 (9), pp.2643--2651. ⟨10.1007/s00221-016-4668-7⟩. ⟨hal-01380422⟩



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