An optometrist explains what causes that irritating eyelid flutter – and the rare warning signs you shouldn't ignore ...

Clonus is an abnormal reflex response that produces involuntary, repetitive, and rhythmic muscle contractions when a muscle is stretched. This abnormal reflex is typically a sign of an upper motor ...

An optometrist explains what causes that irritating eyelid flutter, and the warning signs you shouldn't ignore ...

Repetitive muscle contractions can cause pain in various parts of the body. But did you know that one of the simplest and most effective ways to relieve muscle pain involves something as ordinary as a ...

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 ...

TENS and EMS are two physical therapy techniques that may help treat pain or stimulate muscle contractions. Both are sometimes called electrical stimulation (e-stim). In this article, we’ll look at ...