action tremor meaning
Cyclical movement of a body part that can represent either a physiologic process or a manifestation of disease. Intention or action tremor,a common manifestation of CEREBELLAR DISEASES,is aggravated by movement. In contrast,resting tremor is maximal when there is no attempt at voluntary movement,and occurs as a relatively frequent manifestation of PARKINSON DISEASE.
- The tremor is called an action tremor, becoming noticeable in the arms when they are being used.
- Essential tremor, one of the most common neurological diseases, is characterized by postural and action tremor.