Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Movement disorder
Introduction
Overview
List of Movement disorders
- Akinesia (lack of movement)
- Athetosis (contorted torsion or twisting)
- Ataxia
- Ballismus (violent involuntary rapid and irregular movements)
- Hemiballismus (affecting only one side of the body)
- Bradykinesia (slow movement)
- Carpal tunnel syndrome
- Chorea (rapid, involuntary movement)
- Dystonia (sustained torsion)
- Dystonia muscularum
- Blepharospasm
- Writer’s cramp
- Spasmodic torticollis (twisting of head and neck)
- Myoclonus (brief, involuntary twitching of a muscle or a group of muscles)
- Parkinson’s disease
- Restless Legs Syndrome RLS (WittMaack-Ekboms disease)
- Spasms (contractions)
- Stereotypic movement disorder
- Stereotypy (repetition)
- Tardive dyskinesia
- Tic disorders (involuntary, compulsive, repetitive, stereotyped)
- Tremor (oscillations)
- Rest tremor (4-8 Hz)
- Postural tremor
- Kinetic tremor
- Essential tremor (6-8 Hz variable amplitude)
- Cerebellar tremor (6-8 Hz variable amplitude)
- Parkinsonian tremors (4-8 Hz variable amplitude)
- Physiological tremor (10-12 Hz low amplitude)
- Wilson’s disease