Tremors -

When holding a limb motionless against gravity (e.g., holding arms outstretched).

A specific type of kinetic tremor that worsens as a limb approaches a target (e.g., finger-to-nose testing). Essential Tremor - StatPearls - NCBI Bookshelf Tremors

Occurs during voluntary muscle contraction. It is further subdivided into: When holding a limb motionless against gravity (e

Occurs when a body part is relaxed and fully supported against gravity. This is most frequently associated with Parkinson’s disease . It is further subdivided into: Occurs when a

During any voluntary movement, such as drinking from a glass.

Tremors are primarily categorized into two main groups based on the activation condition:

A medical tremor is an involuntary, rhythmic, and oscillatory movement of a body part. It is the most common movement disorder encountered in clinical practice and is generally classified by when it occurs and which body parts are affected.