None of the above (frequency of 2 to 3 Hz, most apparent when limb is unsupported,
most apparent during intension).
Parkinsons disease tremor occurs at rest, with
a frequency of 4 to 5 Hz. Tremor is most apparent when the limb is fully supported
and at rest. Tremor decreases in relaxation and ceases during sleep. The resting
tremor can be increased with stress and decreased with intension or action.