myoclonus

名词 myoclonus:

1. a clonic spasm of a muscle or muscle group

my.oc.lo.nus

n.（名词）
A sudden twitching of muscles or parts of muscles, without any rhythm or pattern, occurring in various brain disorders.
肌阵挛：肌肉和部分肌肉的急速抽动，它没有任何节律或方式，存在于各种脑失调症

【引伸】
my.oclon.ic