Hyperkinesia is a medical term that is used to describe excessive muscle movements or exaggerated motor activity. There are several synonyms for this term, including hyperactivity, movement disorders, chorea, dyskinesia, and hyperkinetic disorder. Hyperactivity is a general term that is used to describe excessive physical activity that is often associated with restlessness and difficulty in focusing attention. Movement disorders refer to any condition that causes abnormal body movements or trembling. Chorea is a specific type of movement disorder that is characterized by irregular and involuntary movements of the limbs, face, and trunk. Dyskinesia is another term used to describe abnormal involuntary movements, and it can be caused by various medical conditions. Lastly, hyperkinetic disorder refers to a developmental disorder that is characterized by hyperactivity, impulsivity, and the inability to sustain attention.