Voluntary muscles can be controlled by the person, like muscles in your neck and legs. Involuntary muscles work without you thinking about it, like your heart and stomach muscles. Skeletal muscles ...

A scientific review on autoimmune neurological diseases reveals what occurs in our body when the immune system, by mistake, produces antibodies that target a protein essential for the normal ...

Baycrest researchers and clinicians have contributed to newly published research advancing understanding of paratonia, a common but often underrecognized condition affecting people living with ...

Spasticity is a condition that causes your muscles to stiffen, tighten, and contract. It happens involuntarily, which means you don’t have control over it. Spasticity typically happens because of ...

Q: My cousin was diagnosed with dystonia, what is this? A: Dystonia is a disorder of involuntary muscle contractions that may cause repetitive and/or abnormal movement or postures, for example ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When we think of movement disorders, the tremors associated with Parkinson’s disease are probably what first spring to mind.

Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

A doctor answers common questions about nighttime leg cramps, including what causes them, how to stop them, and when to seek medical care.

You're fast asleep when a sudden, sharp pain jolts you awake. Your calf muscle tightens into a hard knot, making it almost ...