Source:http://linkedlifedata.com/resource/umls/id/C0424295
MSH: Excessive movement of muscles of the body as a whole, which may be associated with organic or psychological disorders.,NCI: A higher than normal level of activity. Hyperactivity can be used to describe the increased action of a body function, such as hormone production, or behavior. A person who is hyperactive may seem to be always moving or fidgeting, impulsive, unable to concentrate, and talking too much.