Neuro Asia Care ~ Neurosurgery Specialist Clinic ~ Singapore


Brief explanation of terms used


Tremor is an involuntary shaking movement usually affecting the limb.

There are different types of tremors.

Rest tremor

In Parkinson disease, the tremor is described as a rest tremor with the following characteristics:

  • The tremor frequency is 4-6Hz
  • Occurs in a fully resting limb 
  • Temporarily disappears when the limb is stretched out and then reappears
  • Not present during movement