Paratonia
Paratonia
Paratonia (pronunciation: /ˌpærəˈtoʊniə/) is a medical condition characterized by an involuntary resistance to passive movement of the limbs. The term is derived from the Greek words "para" (beside, near, resembling) and "tonos" (tension).
Definition
Paratonia is a type of hypertonia that is often associated with dementia and other neurological disorders. It is characterized by an increase in muscle tone that results in resistance to passive movement. The resistance is bidirectional and varies with the speed of the movement.
Symptoms
The main symptom of paratonia is an involuntary resistance to passive movement. This resistance can be increased or decreased depending on the speed of the movement. Other symptoms may include muscle stiffness, difficulty with voluntary movements, and a decrease in muscle strength.
Causes
Paratonia is often associated with neurological disorders such as dementia, Alzheimer's disease, and Parkinson's disease. It can also occur as a result of brain damage or injury, or as a side effect of certain medications.
Treatment
Treatment for paratonia typically involves physical therapy and medication. Physical therapy can help to improve muscle strength and flexibility, while medication can help to reduce muscle stiffness and improve movement. In some cases, surgery may be required to relieve severe symptoms.
See also
External links
- Medical encyclopedia article on Paratonia
- Wikipedia's article - Paratonia
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