A 23-year-old man is evaluated for left-hand tremors for the past month. He feels shy in social activities and has this tremor affected his function level. He was diagnosed with multiple sclerosis with a relapsing-remitting course. Physical examination does not show any tremors at rest. A tremor appears when the patient is asked to grab an object from the table. Once the patient's hand is close to the object, it becomes more intense. Dysfunction in which of the following structures explain the patient's symptoms?

Question

Quizplus · Accepted Answer

Eductional Objective: The cerebellar tremor is defined as tremors with a high amplitude, but a low frequency that increases as the movement gets closer to the target. Cerebellar tremors are associated with dysmetria, ataxia, and dysdiadochokinesia ( Impaired rapid alternating movements).

A 23-Year-Old Man Is Evaluated for Left-Hand Tremors for the Past