Achilles tendon vibration-induced changes in plantar flexor corticospinal excitability

Lapole, Thomas, Temesi, John, Gimenez, Philippe, Arnal, Pierrick, Millet, Guillaume and Petitjean, Michel (2015) Achilles tendon vibration-induced changes in plantar flexor corticospinal excitability. Experimental Brain Research, 233 (2). pp. 441-448. ISSN 0014-4819

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Daily Achilles tendon vibration has been shown to increase muscle force, likely via corticospinal neural adaptations. The aim of the present study was to determine the extent by which corticospinal excitability is influenced during direct Achilles tendon vibration. Motor-evoked potentials (MEPs) were elicited in the soleus (SOL), gastrocnemius medialis (GM) and tibialis anterior (TA) by transcranial magnetic stimulation of the motor cortical area of the leg with and without Achilles tendon vibration at various frequencies (50, 80 and 110 Hz). Contralateral homologues were also investigated. SOL and GM MEP amplitude significantly increased by 226 ± 188 and 66 ± 39 %, respectively, during Achilles tendon vibration, without any difference between the tested frequencies. No MEP changes were reported for TA or contralateral homologues. Increased SOL and GM MEP amplitude suggests increased vibration-induced corticospinal excitability independent of vibration frequency.

Item Type: Article
Uncontrolled Keywords: Vibration, Motor-evoked potentials, Soleus, Gastrocnemius, Tibialis anterior, Bilateral
Subjects: C600 Sports Science
C800 Psychology
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Becky Skoyles
Date Deposited: 14 Sep 2018 12:14
Last Modified: 11 Oct 2019 19:15

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