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 ...

The neural control of rhythmic arm and leg movements encompasses the integration of central and peripheral pathways that coordinate locomotion and complex motor tasks. These processes involve both ...

Cerebral palsy affects around one in 345 children in the U.S., and more than half of them experience a problem called dystonia - involuntary and often painful muscle contractions, most commonly in the ...

The case description for a Case Records of the Massachusetts General Hospital appears below. What is the diagnosis? Cast your vote. The correct diagnosis, along with the full description of the case ...

Restless leg syndrome (RLS) is often worse at nighttime. Some people may only have the symptoms at this time. Many with RLS also experience limb movements during sleep. As many as 80% of people with ...

Leg strength exercises after 60, a CSCS coach shares 4 standing moves to rebuild leg muscle with better control than lunges.