Resting tremor

Japanese: 安静時振戦 - あんせいじしんせん

…Fine finger tremors that occur during mental tension or muscle fatigue are called physiological tremors and are not pathological. Pathological tremors include rest tremors and action tremors. The former is often seen in Parkinson's syndrome, and is a coarse tremor usually around 5 Hz that often occurs in the fingers and is described as a pill-rolling movement. …

From [Trembling]

…It is reasonable to classify tremors according to the state of muscle activity in which they appear, and clinically they are classified into three categories: (1) Rest tremor: A tremor that appears when lying supine with the limbs naturally extended and without any thought. The tremor associated with Parkinson's syndrome is a typical example of this type of tremor. …

*Some of the terms mentioned in the explanation of "resting tremor" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…精神的緊張や筋肉疲労時に生ずる細かい手指の振戦は生理的振戦と呼ばれ，病的なものではない。病的な振戦には安静時振戦と動作時振戦がある。前者はパーキンソン症候群でよく認められ，通常5Hz前後の粗大な振戦で，手指に生じることが多く，丸薬まるめ運動などと形容される。…