This is known as a hypnic jerk – but what exactly is it and why does it happen? Also known as hypnagogic jerks or sleep ...

Cerebral Palsy (CP) is a brain disorder present at birth affecting movement, muscle tone or posture. It is defined as brain ...

Hemifacial spasm (HFS) is a rare movement disorder that causes involuntary muscle contractions on one side of the face. It typically starts with painless but annoying twitching around one eye. Over ...

You don’t have to be an athlete to get a muscle cramp. You could be lying in bed, about to drift off to sleep when a sudden, involuntary and painful tightening of your calf or foot arch jolts you out ...

Ever woken up in the middle of the night with a sudden, sharp pain radiating through your calf muscle, leaving you tossing ...

Fernando Valenzuela's cause of death has been determined after the Dodgers legend died last month at the age of 63.

“Hypnic jerks represent a fascinating phenomenon of sleep; however, additional studies are needed to clarify their physiology ...

None of the 43 untreated patients achieved milestones. The most common adverse reactions of Kebilidi are dyskinesia ...

Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of the ...

“Smooth, cardiac, and skeletal muscles are the three main types of muscles in our body,” says fitness and nutrition expert Aman Puri. Smooth muscles, also known as involuntary muscles, are located in ...

People with a disorder called dystonia experience involuntary muscle contractions, causing painful contortions and limiting movement. Surgeons have a simple solution to cut down on surgeries.