Synonym for myokymia ... Continuous involuntary quivering or rippling of muscles at rest, caused by spontaneous, repetitive firing of groups of motor unit potentials. ... Synonym: fibrillary chorea, kymatism, Morvan's chorea. ... Origin: myo-+ G. Kyma, wave ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973