These muscles attach to bones and regulate movement of the body. Involuntary muscles, on the other hand, are not under conscious control. They contract and relax automatically and receive signals ...

The neurological condition can cause people like Robert F. Kennedy Jr. to have voices that break and can sound “strangled.” ...

Anxiety-induced stress can also stimulate adrenaline production, which can cause certain muscles to move involuntarily. So, while anxiety can trigger involuntary muscle movement, involuntary ...

Look at you. You're out of control. Ah, it's not you. I'm just talking about your reflexes-- those involuntary muscle movements that you have no control over. And reflexes are a great thing.

Tardive dyskinesia (TD) is a form of drug-induced (iatrogenic) movement disorder that is one form of tardive syndrome. Other forms of tardive syndrome include tardive stereotypy, tardive chorea, ...