Physical Therapy Assistant Practice Exam

What gait abnormality is likely present in a patient with cerebellar degeneration?

1. Staggering gait

2. Ataxic gait

3. Antalgic gait

4. Trendelenburg gait

The correct answer is: Ataxic gait

In patients with cerebellar degeneration, the characteristic gait abnormality is ataxic gait. This type of gait results from the loss of coordination and balance due to the dysfunction of the cerebellum, an area of the brain that plays a crucial role in the coordination of voluntary movements. Individuals with ataxic gait may present with unsteady and irregular leg movements, often appearing as if they are staggering or swaying. This is a direct consequence of the cerebellum's inability to properly regulate the timing and intensity of muscle contractions necessary for smooth and coordinated movement. Consequently, patients may also have difficulties with balance and may require a wider base of support while walking to prevent falls. Although staggering gait may seem similar, ataxic gait is a more specific term that encompasses the broader range of coordination and balance issues associated with cerebellar damage. The other gait patterns listed, such as antalgic and Trendelenburg gaits, are linked to pain or hip abductor weakness rather than coordination deficits, and thus, do not directly relate to the cerebellar issues that cause ataxia.