10 Huntington's Disease Symptoms
3. Muscle Rigidity
Muscle rigidity is commonly described as stiffness or impaired flexibility of a certain muscle. Muscles have a normal tone that allows them to activate when needed. After the muscle is done contracting, it relaxes and returns to its usual resting tone. Muscle rigidity is associated with an increased muscle tone that causes stiffness.
This symptom is usually seen in the advanced stages of Huntington’s disease. As the disease progresses more Parkinson-like symptoms start to appear and muscle rigidity is usually one of the most common ones.
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