During any voluntary movement, such as drinking from a glass.
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
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. During any voluntary movement, such as drinking from a glass
Occurs during voluntary muscle contraction. It is further subdivided into: During any voluntary movement