英语语法分析

Dystonic cramps are where a muscle that is not needed for a movement is contracted.

肌张力异常性抽筋，是指当进行某个动作时，不需要用到的肌肉却在收缩。

Dystonic cramps are where a muscle that is not needed for a movement is contracted.

肌张力异常性抽筋，是指当进行境个动作时，不需要用到的肌肉却在收缩。

One of the disadvantages of the phenothiazines is their potential for dystonic effects.

吩噻嗪类药物弊端在于其潜在的张力不能反应。