Which tremor is most prominent at rest and often diminishes with voluntary movement?

Study for the Parkinson’s Disease Exam. Engage with detailed flashcards and multiple-choice questions, each offering hints and explanations. Prepare effectively for your exam!

Multiple Choice

Which tremor is most prominent at rest and often diminishes with voluntary movement?

Explanation:
The key idea is that this tremor is present when the limb is at rest and tends to lessen as the person makes a deliberate movement. That pattern—a tremor that shows up when the hand is relaxed and fades with voluntary action—is classic for resting tremor, a hallmark feature of Parkinson disease. It’s often described as a pill-rolling motion of the fingers and thumb and can be most noticeable when the limb is supported and not engaged in a task. In contrast, postural tremor happens when holding a position against gravity, and intention tremor worsens during a targeted movement. Oral-facial dyskinesias are not a tremor type. So the resting tremor description best fits the pattern asked.

The key idea is that this tremor is present when the limb is at rest and tends to lessen as the person makes a deliberate movement. That pattern—a tremor that shows up when the hand is relaxed and fades with voluntary action—is classic for resting tremor, a hallmark feature of Parkinson disease. It’s often described as a pill-rolling motion of the fingers and thumb and can be most noticeable when the limb is supported and not engaged in a task.

In contrast, postural tremor happens when holding a position against gravity, and intention tremor worsens during a targeted movement. Oral-facial dyskinesias are not a tremor type. So the resting tremor description best fits the pattern asked.

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