A tremor is a rhythmic involuntary movement that looks like rapid and ... when shaking happens when a body part is at rest. For example, a person may be sitting comfortably with their hands ...

Focal dystonia occurs when only one single body part experiences involuntary movements. For example, if you have eye ...

Common examples of skeletal muscles include major muscle groups that control movement of the arms, legs, and body, such as: Involuntary muscles are muscles that are not under conscious control.

For example, the risk of TD is much greater with the older ... In contrast, persistent tardive syndromes are uncommon in children. The most common type of involuntary movement associated with TD is ...