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Review
. 2024 Dec 22:1-17.
doi: 10.1080/00222895.2024.2441860. Online ahead of print.

Corticospinal and Clinical Effects of Muscle Tendon Vibration in Neurologically Impaired Individuals. A Scoping Review

Lydiane Lauzier  1 , Laurence Munger  1 , Marie-Pier Perron  1 , Michaël Bertrand-Charette  1 , Nico Sollmann  2   3   4 , Cyril Schneider  5   6 , Michaela V Bonfert  7   8 , Louis-David Beaulieu  1
Affiliations
Review

Corticospinal and Clinical Effects of Muscle Tendon Vibration in Neurologically Impaired Individuals. A Scoping Review

Lydiane Lauzier et al. J Mot Behav. .

Abstract

This review verified the extent, variety, quality and main findings of studies that have tested the neurophysiological and clinical effects of muscle tendon vibration (VIB) in individuals with sensorimotor impairments. The search was conducted on PubMed, CINAHL, and SportDiscuss up to April 2024. Studies were selected if they included humans with neurological impairments, applied VIB and used at least one measure of corticospinal excitability using transcranial magnetic stimulation (TMS). Two investigators assessed the studies' quality using critical appraisal checklists and extracted relevant data. The 10 articles included were diverse in populations and methods, generally rated as 'average' to 'good' quality. All studies reported an increased corticospinal excitability in the vibrated muscle, but the effects of VIB on non-vibrated muscles remain unclear. Positive clinical changes in response to VIB were reported in a few studies, such as a decreased spasticity and improved sensorimotor function. These changes were sometimes correlated with corticospinal effects, suggesting a link between VIB-induced plasticity and clinical improvements. Despite the limited and heterogeneous literature, this review supports the facilitatory influence of VIB on motor outputs controlling vibrated muscles, even with altered sensorimotor functions. It highlights knowledge gaps and suggests future research directions on VIB mechanisms and clinical implications.

Keywords: Scoping review; muscle tendon vibration; neurological disorder; sensorimotor impairment; transcranial magnetic stimulation.

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