Hyperkinetic Children Hyperkinetic is just another word for Hyperactive. Hyperactivity describes children who show numerous amounts of inappropriate behaviors in situations that require sustained attention and orderly responding to fairly structured tasks. Humans who are hyperactive tend to be easily distracted, impulsive, inattentive, and easily excited or upset. Hyperactivity in children is manifested by gross motor activity, such as excessive running or climbing. The child is often described as being on the go or "running like a motor", and having difficulty sitting still. Older children and adolescents may be ex