Tremor is an unintentional, rhythmic, muscle movement involving to-and-fro movements of one or more parts of the body.
Most tremors occur in the hands, although they can also affect the arms, head, face, vocal cords, trunk, and legs. Tremor can occur in normal individuals. It may also be related to an inherited disorder, medications, toxins, or a neurodegenerative process. The location and quality of the tremor can be useful in determining the underlying cause. Tremor may occur at any age but is most common in middle-aged and older persons.
References and Readings
- Fahn, S., & Jankovic, J. (2007). Tremors: Diagnosis and treatment. In S. Fahn & J. Jankovic (Eds.), Movement disorders (pp. 451–479). Philadelphia: Churchill Livingstone Elsevier.Google Scholar