Acute effects of Achilles tendon vibration on soleus and tibialis anterior spinal and cortical excitability

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme
Thomas LapoleMichel Petitjean

Abstract

Prolonged vibration is known to alter muscle performance. Attenuation of Ia afferent efficacy is the main mechanism suggested. However, changes in motor cortex excitability could also be hypothesized. The purpose of the present study was therefore to analyze the acute and outlasting effects of 1 h of Achilles tendon vibration (frequency, 50 Hz) on the soleus (SOL) and tibialis anterior (TA) neuromuscular excitability. Spinal excitability was investigated by means of H-reflexes and F-waves while cortical excitability was characterized by motor evoked potentials (MEPs) obtained by transcranial magnetic stimulation. Twelve subjects performed the experimental procedures 3 times: at the beginning of the testing session (PRE), immediately after 1 h of Achilles tendon vibration (POST), and 1 h after the end of vibration (POST-1H). Prolonged vibration led to acute reduced H-reflex amplitudes for SOL only (46.9% ± 7.7% vs. 32.8% ± 7%; p = 0.006). Mainly presynaptic inhibition mechanisms were thought to be involved because of unchanged F-wave persistence and amplitude mean values, suggesting unaffected motoneuronal excitability. While no acute effects were reported for SOL and TA cortical excitability, both muscles were characterized by ...Continue Reading

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Citations

May 9, 2013·European Journal of Applied Physiology·Thomas LapoleChantal Pérot
Nov 6, 2014·Experimental Brain Research·Thomas LapoleMichel Petitjean
Jun 7, 2015·Experimental Brain Research·Thomas LapoleGuillaume Y Millet
Apr 27, 2016·European Journal of Applied Physiology·Adrien FarabetThomas Lapole
Dec 20, 2014·Neuroscience Letters·Thomas Lapole, Jérémy Tindel
Mar 27, 2018·Journal of Child Neurology·Essi Marttinen RossiLeena Lauronen
Nov 25, 2017·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Robin SouronGuillaume Y Millet
Aug 3, 2017·European Journal of Applied Physiology·Robin SouronThomas Lapole
Apr 8, 2017·Journal of Applied Physiology·Robin SouronThomas Lapole
Aug 21, 2019·The Journal of Physiology·Robin SouronThomas Lapole

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