Motor control for bilateral muscular contractions in humans

The Japanese Journal of Physiology
S Oda

Abstract

This article briefly reviews neural mechanisms responsible for bilateral simultaneous muscular contractions by analyzing force outputs and their underlying electromyogram (EMG) and electroencephalographic (EEG) activities. Two major issues were addressed from a series of studies concerning maximal and submaximal (20% of maximal voluntary contraction) bilateral contractions (i.e., mechanisms for the bilateral strength deficit and common drive). It is suggested that: (1) during maximal bilateral contractions there exists a common drive from the central nervous system to the right and left muscles and the bilateral strength deficit is due to the decreased neural activations of the precentral motor cortex of both hemispheres; and (2) during bilateral contractions at submaximal level, a common drive also exists for simultaneous use of homologous muscles and the submaximal bilateral contraction is coordinated mainly under the control of the left hemisphere for right-handed people.

Citations

Nov 17, 2006·Experimental Brain Research·T W BoonstraP J Beek
May 5, 2006·Perceptual and Motor Skills·Takanori NoguchiMasanobu Uchiyama
Aug 25, 2009·Human Movement Science·Hideaki TakebayashiKoji Takimoto
Aug 25, 2009·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Helen J Huang, Daniel P Ferris
Sep 24, 2013·IEEE Transactions on Bio-medical Engineering·Ali AmeriPhilip A Parker
Aug 24, 2010·IEEE Transactions on Bio-medical Engineering·Johnny L G NielsenPhil A Parker
Sep 2, 2016·European Journal of Applied Physiology·Jakob ŠkarabotJanne Avela
Apr 23, 2003·Perceptual and Motor Skills·Katsuo FujiwaraHiroshi Toyama
Feb 1, 2020·Laterality·Jonathan Houle, François Tremblay
Apr 27, 2005·Journal of Aging and Physical Activity·Mati PääsukePille Taba
Apr 25, 2021·European Journal of Applied Physiology·John Paul V AndersGlen O Johnson

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