Medically reviewed by Brigid Dwyer, MD Key Takeaways Involuntary muscle movements happen when your body moves without you intending it, like with tics or tremors.  The causes of involuntary movements ...

You have 3 different types of muscle: skeletal, smooth, and cardiac. Skeletal muscle alone accounts for over 650 different muscles. Have you ever wondered how many muscles you have in your body? The ...

Athetosis and chorea are two types of involuntary movements that can occur in children and adults with neurological conditions, such as cerebral palsy. The movements have different features, and the ...

Athetosis refers to the slow, involuntary, and writhing movements of the limbs, face, neck, tongue, and other muscle groups. The fingers are also affected, with their flexing happening separately and ...

Dr Kathryn Fox is an Australian medical doctor and bestselling crime writer, best known for her forensic thrillers featuring ...