Involuntary head twitching may range from neck spasms to uncontrolled tremors. Causes may include several movement disorders, such as Tourette syndrome and Parkinson’s disease. Involuntary head ...

lip muscle spasms. Magnetic resonance imaging (MRI), which uses powerful magnets, radio waves, and a computer to capture a detailed image of your head, is then used to determine the most ...

Adult torticollis, also known as cervical dystonia or “wryneck,” is a condition where your neck muscles go into spasm and pull your head to one side. Torticollis is often painful and can ...

severe flexor spasm accompanied by spinal sweating and certain visceral manifestations. This assumption rests almost entirely upon the work of Head and Riddoch, 1,2 who, in 1917, conducted an ...