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Title

Neuromuscular fatigue induced by whole-body vibration exercise

Authors
Maffiuletti, Nicola A
Cardinale, Marco
Micallef, Jean-Paul
Published in European Journal of Applied Physiology. 2013, vol. 113, no. 6, p. 1625-1634
Abstract The aim of this study was to examine the magnitude and the origin of neuromuscular fatigue induced by half-squat static whole-body vibration (WBV) exercise, and to compare it to a non-WBV condition. Nine healthy volunteers completed two fatiguing protocols (WBV and non-WBV, randomly presented) consisting of five 1-min bouts of static half-squat exercise with a load corresponding to 50 % of their individual body mass. Neuromuscular fatigue of knee and ankle muscles was investigated before and immediately after each fatiguing protocol. The main outcomes were maximal voluntary contraction (MVC) torque, voluntary activation, and doublet peak torque. Knee extensor MVC torque decreased significantly (P < 0.01) and to the same extent after WBV (-23 %) and non-WBV (-25 %), while knee flexor, plantar flexor, and dorsiflexor MVC torque was not affected by the treatments. Voluntary activation of knee extensor and plantar flexor muscles was unaffected by the two fatiguing protocols. Doublet peak torque decreased significantly and to a similar extent following WBV and non-WBV exercise, for both knee extensors (-25 %; P < 0.01) and plantar flexors (-7 %; P < 0.05). WBV exercise with additional load did not accentuate fatigue and did not change its causative factors compared to non-WBV half-squat resistive exercise in recreationally active subjects.
Identifiers
PMID: 23344670
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Research group Groupe Kayser Bengt (médecine du sport) (306)
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MAFFIULETTI, Nicola A et al. Neuromuscular fatigue induced by whole-body vibration exercise. In: European Journal of Applied Physiology, 2013, vol. 113, n° 6, p. 1625-1634. https://archive-ouverte.unige.ch/unige:26366

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Deposited on : 2013-02-12

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