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Efficience du travail mental sur le développement et le recouvrement des capacités motrices : force musculaire et imagerie motrice

Abstract : Analyzing the electromyographic (EMG) activity accompanying motor imagery (MI) as well as the imagery‐related effects on strength enhancement contributes to a better understanding of the neural mechanisms of MI. Accordingly, the subliminal EMG activity recorded during MI supports the hypothesis of an incomplete inhibition of the motor command during mental rehearsal. Interestingly, the pattern of EMG response was modulated by the mental effort and the imagined contraction type, in the same way as during physical movement. Furthermore, the data provided evidence that MI contributed both to increase muscle strength, though strength gains were not observed in all muscles. Finally, MI was found to facilitate motor recovery following anterior cruciate ligament tear as well as in burned patients. These results confirm that MI should be considered a reliable and costeffective technique to improve motor recovery and motor performance.
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https://tel.archives-ouvertes.fr/tel-00570124
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Submitted on : Tuesday, October 18, 2011 - 11:22:55 AM
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Florent Lebon. Efficience du travail mental sur le développement et le recouvrement des capacités motrices : force musculaire et imagerie motrice. Education. Université Claude Bernard - Lyon I, 2009. Français. ⟨NNT : 2009LYO10236⟩. ⟨tel-00570124v2⟩

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